CN111797952A - Intelligent plasma quality interpretation instrument and quality detection method thereof - Google Patents
Intelligent plasma quality interpretation instrument and quality detection method thereof Download PDFInfo
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- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
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Abstract
The invention belongs to the technical field of plasma quality detection, and discloses an intelligent plasma quality interpretation instrument and a quality detection method thereof. According to the invention, the plasma image is acquired through the image acquisition module, and the chylemia, the clot and the floccule in the plasma can be detected in a timing manner so as to judge whether the quality of the plasma reaches the standard, if not, an alarm is output, manual intervention is needed, so that the intelligent automatic detection of the quality of the plasma is realized, and the storage safety of the plasma is improved; and the detection result can be uploaded to a remote monitoring terminal in real time through the data uploading module, so that remote supervision is facilitated through the remote monitoring terminal, and source tracing is facilitated afterwards.
Description
Technical Field
The invention belongs to the technical field of plasma quality detection, and particularly relates to an intelligent plasma quality interpretoscope and a quality detection method thereof.
Background
At present, national regulations clearly stipulate that blood collection institutions and clinical transfusion departments must visually observe the appearance of plasma entering and leaving the blood reservoir in bright light. But the light was bright and the randomness of the visual inspection was great. The visual measurement process and results cannot be truly recorded due to lack of quantitative standards, and even the source tracing cannot be carried out afterwards. Meanwhile, due to the fact that the experience and the level of practitioners are different, the quality detection of the appearance of the blood plasma lacks a unified standard, serious blood transfusion accidents can be caused by serious chylemia, clot, floccule, hemolysis or bacterial pollution and the like which may occur in the processes of blood plasma collection, preparation and storage, and the life health of a blood recipient can be harmed. Therefore, in the last quality gate, the appearance quality of the ex-warehouse plasma must be accurately and efficiently detected, so that the occurrence of serious blood transfusion accidents can be reduced and avoided.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the accuracy of the detection result cannot be ensured by observing the plasma entering and leaving the reservoir through manual visual inspection.
(2) The detection result of the plasma can not be uploaded and stored before the plasma is delivered from a warehouse and an operation, and the source tracing can not be carried out afterwards.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an intelligent blood plasma quality interpretation instrument and a quality detection method thereof.
The invention is realized in such a way, and the intelligent plasma quality detection method comprises the following steps:
firstly, scanning and identifying a bar code pasted on the surface of blood plasma through a code scanner, and extracting corresponding attribute information of the bar code;
the bar code attribute information extraction method comprises the following steps:
(1) searching a plurality of bar code rules matched with the bar codes in a pre-stored bar code rule database, and generating a rule set according to the bar code rules;
(2) acquiring a specified feature code of the identification attribute information in the bar code, and screening out a bar code rule corresponding to the specified feature code from the rule set;
(3) according to the screened bar code rule, combining the position of the specified feature code and the information of the specified feature code to obtain a plurality of subcodes carrying different attribute information;
(4) acquiring information carried by the plurality of subcodes, judging whether the information carried by the subcodes meets a preset rule, and if not, discarding the bar code rule corresponding to the subcodes which do not meet the preset rule; if the preset rule is met, generating an information set from the information carried by the subcodes;
(5) searching information corresponding to the information in the information set from a pre-stored database, namely the bar code attribute information;
secondly, placing the blood plasma on a light-transmitting bearing plate of the bearing module, and acquiring pressure data by a pressure sensor in the middle of the light-transmitting bearing plate and transmitting the acquired information to a central processing unit;
illumination compensation is carried out through an LED light supplement lamp, image information of the blood plasma is collected through a CCD camera, and the collected image is transmitted to a central processing unit;
converting the color image of the collected blood plasma into a gray image by the central processing unit, and carrying out median filtering processing on the gray image to realize noise reduction and restoration of the image under the condition of edge fidelity;
fifthly, according to the local pixel information and the whole pixel information of the filtered image after filtering processing, enhancing the filtered image to generate an enhanced image;
generating a similar gradient map according to the enhanced image, and carrying out binarization processing on the similar gradient map to generate a binary image;
comparing the generated binary image with prestored information of a storage module to judge the quality of the plasma, and comparing the acquired pressure information with the extracted corresponding attribute information of the bar code to judge whether the weight of the plasma is qualified;
step eight, voice broadcasting is carried out on the processing result through a voice player, and when the processing result is abnormal, an alarm is given out through an alarm;
and step nine, data packaging is carried out on the processing result through the data uploading module, and the processing result is uploaded to a remote monitoring terminal to be stored and recorded.
Further, the corresponding attribute information of the bar code comprises the weight of the plasma, the warehousing time, the blood type, the plasma category and the cross matching condition.
Further, in the seventh step, the comparing the generated binary image with the pre-stored information of the storage module, and determining the quality of the plasma includes:
1) extracting the characteristics of the generated binary image and generating a corresponding characteristic image;
2) acquiring a plasma standard characteristic image from a database;
3) calculating the similarity between the generated plasma characteristic image and the plasma standard characteristic image;
4) and judging the plasma quality based on the similarity calculation result, wherein the higher the similarity is, the higher the plasma quality is.
Further, in step 1), the image features include color distribution, structure and texture image features.
Another object of the present invention is to provide an intelligent plasma quality determination device for implementing the intelligent plasma quality detection method, the intelligent plasma quality determination device comprising:
the storage module is connected with the data acquisition and control module and used for storing the preset information and the acquired information through the memory;
the identification code scanning module is connected with the data acquisition and control module and is used for scanning and identifying the bar code adhered to the surface of the blood plasma through the bar code scanner;
the image acquisition module is connected with the data acquisition and control module and is used for acquiring the image information of the blood plasma through the CCD camera;
the supporting module is connected with the data acquisition and control module and is used for supporting and supporting the blood plasma through the light-transmitting supporting plate;
the pressure detection module is connected with the data acquisition and control module and is used for detecting the weight of the blood plasma through a pressure sensor embedded in the middle of the light-transmitting bearing plate;
the human-computer interaction module is connected with the data acquisition and control module and used for displaying the acquired information and the processed information through a human-computer interaction interface and carrying out human-computer interaction operation;
the data uploading module is connected with the data acquisition and control module and used for carrying out data packaging and uploading on the acquired information and the processing result through the signal transmission device;
the voice broadcasting module is connected with the data acquisition and control module and used for carrying out voice broadcasting on the processing result through the voice player;
the warning module is connected with the data acquisition and control module and used for giving an alarm through the alarm when abnormal information is detected;
and the data acquisition and control module is connected with the storage module, the identification code scanning module, the image acquisition module, the bearing module, the pressure detection module, the human-computer interaction module, the data uploading module, the voice broadcasting module and the warning module, and is used for receiving and processing the acquired information through the central processing unit and generating corresponding control instructions according to preset instructions and processing results to coordinate and control the work of each module.
Further, the identification code scanning module includes:
the scanning unit is used for scanning the bar code through the code scanner;
the identification unit is used for screening the information prestored in the storage module according to the scanning information of the bar code;
and the extraction unit is used for extracting the information corresponding to the screened bar codes and sending the extracted information to the data acquisition and control module.
Further, the image acquisition module comprises:
the CCD camera unit is used for acquiring image information through a CCD camera;
the illumination compensation unit is used for performing illumination compensation when the CCD camera performs image acquisition through the LED light supplement lamp;
and the data transmission unit is used for transmitting the image information acquired by the CCD camera to the data acquisition and control module.
Further, the data acquisition and control module includes:
the parameter configuration unit is used for presetting and inputting control parameters through the input device;
the data receiving unit is used for receiving the collected data of the parameter collecting devices;
the image preprocessing unit is used for carrying out gray scale and definition processing on the collected plasma image;
the data processing unit is used for comparing the preprocessed image with pre-stored information of the storage module, judging the quality of the blood plasma and judging whether the weight of the blood plasma is qualified or not through the collected pressure information;
and the control instruction generating unit is used for generating a control instruction according to the preset parameters and the processing result information and transmitting the control instruction to the corresponding controlled device.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the intelligent plasma quality detection method when executed on an electronic device.
It is another object of the present invention to provide a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the intelligent plasma quality detection method.
By combining all the technical schemes, the invention has the advantages and positive effects that:
according to the invention, the plasma image is acquired through the image acquisition module, the layered interface image of the plasma is acquired, and then the layered interface image of the plasma is compared with the image prestored in the storage module for analysis, so that the chylemia, the clot and the floccule existing in the plasma can be detected in a timing manner to judge whether the quality of the plasma reaches the standard, if the quality of the plasma does not reach the standard, an alarm is output, manual intervention is required, the intelligent automatic detection of the quality of the plasma is realized, the storage safety of the plasma is improved, and the medical accident rate is reduced; and the detection result can be uploaded to a remote monitoring terminal in real time through the data uploading module, so that remote supervision is facilitated through the remote monitoring terminal, and source tracing is facilitated afterwards.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a flow chart of an intelligent plasma quality detection method provided by an embodiment of the invention.
FIG. 2 is a schematic diagram of the structure of an intelligent plasma quality interpretoscope provided by an embodiment of the invention;
in the figure: 1. a storage module; 2. an identification code scanning module; 3. an image acquisition module; 4. a support module; 5. a pressure detection module; 6. a human-computer interaction module; 7. a data uploading module; 8. a voice broadcasting module; 9. a warning module; 10. and a data acquisition and control module.
FIG. 3 is a schematic structural diagram of an identification code scanning module according to an embodiment of the present invention;
in the figure: 21. a scanning unit; 22. an identification unit; 23. and an extraction unit.
FIG. 4 is a schematic structural diagram of an image capture module according to an embodiment of the present invention;
in the figure: 31. a CCD camera unit; 32. an illumination compensation unit; 33. and a data transmission unit.
FIG. 5 is a schematic diagram of a data acquisition and control module according to an embodiment of the present invention;
in the figure: 11. a parameter configuration unit; 12. a data receiving unit; 13. an image preprocessing unit; 14. a data processing unit; 15. a control instruction generation unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides an intelligent blood plasma quality interpretation instrument and a quality detection method thereof, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the intelligent plasma quality detection method provided by the embodiment of the present invention specifically includes the following steps:
s101, scanning and identifying the bar code pasted on the surface of the plasma product through a code scanner, and extracting corresponding attribute information of the bar code.
S102, the blood plasma is placed on a light-transmitting bearing plate of the bearing module, and a pressure sensor in the middle of the light-transmitting bearing plate acquires pressure data and transmits acquired information to a central processing unit.
S103, illumination compensation is carried out through the LED light supplement lamp, the CCD camera collects image information of the blood plasma, and collected images are transmitted to the central processing unit.
And S104, preprocessing the collected plasma image by the central processing unit, comparing the preprocessed image with the pre-stored information of the storage module to judge the quality of the plasma, and comparing the collected pressure information with the extracted corresponding attribute information of the bar code to judge whether the weight of the plasma is qualified.
And S105, carrying out voice broadcasting on the processing result through the voice player, and alarming through an alarm when the processing result is abnormal.
And S106, data packaging is carried out on the processing result through the data uploading module, and the processing result is uploaded to a remote monitoring terminal to be stored and recorded.
The corresponding attribute information of the bar code in the embodiment of the invention comprises the weight of the plasma, the warehousing time, the blood type, the plasma category and the cross matching condition.
In step S101, the method for extracting barcode attribute information provided by the embodiment of the present invention includes:
(1) and searching a plurality of bar code rules matched with the bar codes in a pre-stored bar code rule database, and generating a rule set according to the bar code rules.
(2) And acquiring the specified feature codes of the identification attribute information in the bar codes, and screening out the bar code rules corresponding to the specified feature codes from the rule set.
(3) And according to the screened bar code rule, combining the position of the specified feature code and the information of the specified feature code to obtain a plurality of subcodes carrying different attribute information.
(4) Acquiring information carried by the plurality of subcodes to generate an information set; the attribute information corresponding to the information in the information set is searched from the pre-stored database.
In step S104, the method for preprocessing an image of plasma provided by the embodiment of the present invention includes:
firstly, converting the collected color image into a gray image, and carrying out median filtering processing on the gray image to realize noise reduction and restoration of the image under the condition of edge fidelity.
And according to the local pixel information and the whole pixel information of the filtered image after the filtering processing, performing enhancement processing on the filtered image to generate an enhanced image.
And generating a class gradient map according to the enhanced image, and carrying out binarization processing on the class gradient map to generate a binary image.
In step S107, comparing the generated binary image with the pre-stored information in the storage module, and determining the quality of the plasma includes:
1) extracting the characteristics of the generated binary image and generating a corresponding characteristic image;
2) acquiring a plasma standard characteristic image from a database;
3) calculating the similarity between the generated plasma image and the plasma standard characteristic image;
4) and judging the plasma quality based on the similarity calculation result, wherein the higher the similarity is, the higher the plasma quality is.
In step 1), the image features provided by the embodiment of the present invention include color distribution, structure, and texture image features.
As shown in fig. 2, the intelligent plasma quality interpretation instrument provided by the embodiment of the present invention includes:
the storage module 1 is connected with the data acquisition and control module and used for storing preset information and acquired information through a memory;
the identification code scanning module 2 is connected with the data acquisition and control module and is used for scanning and identifying the bar code adhered to the surface of the blood plasma through a bar code scanner;
the image acquisition module 3 is connected with the data acquisition and control module and is used for acquiring the image information of the blood plasma through the CCD camera;
the supporting module 4 is connected with the data acquisition and control module and is used for supporting and supporting the blood plasma through the light-transmitting supporting plate;
the pressure detection module 5 is connected with the data acquisition and control module and is used for detecting the weight of the blood plasma through a pressure sensor embedded in the middle of the light-transmitting bearing plate;
the human-computer interaction module 6 is connected with the data acquisition and control module and used for displaying acquired information and processed information through a human-computer interaction interface and carrying out human-computer interaction operation;
the data uploading module 7 is connected with the data acquisition and control module and used for carrying out data packaging and uploading on the acquired information and the processing result through the signal transmission device;
the voice broadcasting module 8 is connected with the data acquisition and control module and used for carrying out voice broadcasting on the processing result through a voice player;
the warning module 9 is connected with the data acquisition and control module and used for giving an alarm through an alarm when abnormal information is detected;
the data acquisition and control module 10 is connected with the storage module, the identification code scanning module, the image acquisition module, the bearing module, the pressure detection module, the human-computer interaction module, the data uploading module, the voice broadcasting module and the warning module, and is used for receiving and processing the acquired information through the central processing unit and generating corresponding control instructions according to preset instructions and processing results to coordinate and control the work of each module.
As shown in fig. 3, the identification code scanning module 2 according to the embodiment of the present invention includes:
a scanning unit 21 for performing a scanning operation on the bar code by the bar code scanner;
the identification unit 22 is used for screening the information prestored in the storage module according to the scanning information of the bar code;
and the extraction unit 23 is configured to extract information corresponding to the screened barcode, and send the extracted information to the data acquisition and control module.
As shown in fig. 4, an image capturing module 3 provided in an embodiment of the present invention includes:
a CCD camera unit 31 for collecting image information by a CCD camera;
the illumination compensation unit 32 is used for performing illumination compensation when the CCD camera performs image acquisition through the LED light supplement lamp;
and the data transmission unit 33 is used for transmitting the image information acquired by the CCD camera to the data acquisition and control module.
As shown in fig. 5, the data acquisition and control module 10 according to the embodiment of the present invention includes:
the parameter configuration unit 11 is used for performing preset input on the control parameters through an input device;
a data receiving unit 12, configured to receive data collected by a plurality of parameter collecting devices;
the image preprocessing unit 13 is used for performing gray scale and definition processing on the acquired plasma image;
the data processing unit 14 is used for comparing the preprocessed image with the pre-stored information of the storage module, judging the quality of the blood plasma, and judging whether the weight of the blood plasma is qualified or not according to the collected pressure information;
and the control instruction generating unit 15 is configured to generate a control instruction according to the preset parameter and the processing result information, and transmit the control instruction to the corresponding controlled device.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.
Claims (10)
1. An intelligent plasma quality detection method is characterized by comprising the following steps:
firstly, scanning and identifying a bar code pasted on the surface of blood plasma through a code scanner, and extracting corresponding attribute information of the bar code;
the bar code attribute information extraction method comprises the following steps:
(1) searching a plurality of bar code rules matched with the bar codes in a pre-stored bar code rule database, and generating a rule set according to the bar code rules;
(2) acquiring a specified feature code of the identification attribute information in the bar code, and screening out a bar code rule corresponding to the specified feature code from the rule set;
(3) according to the screened bar code rule, combining the position of the specified feature code and the information of the specified feature code to obtain a plurality of subcodes carrying different attribute information;
(4) acquiring information carried by the plurality of subcodes, judging whether the information carried by the subcodes meets a preset rule, and if not, discarding the bar code rule corresponding to the subcodes which do not meet the preset rule; if the preset rule is met, generating an information set from the information carried by the subcodes;
(5) searching information corresponding to the information in the information set from a pre-stored database, namely the bar code attribute information;
secondly, placing the blood plasma on a light-transmitting bearing plate of the bearing module, and acquiring pressure data by a pressure sensor in the middle of the light-transmitting bearing plate and transmitting the acquired information to a central processing unit;
illumination compensation is carried out through an LED light supplement lamp, image information of the blood plasma is collected through a CCD camera, and the collected image is transmitted to a central processing unit;
converting the color image of the collected blood plasma into a gray image by the central processing unit, and carrying out median filtering processing on the gray image to realize noise reduction and restoration of the image under the condition of edge fidelity;
fifthly, according to the local pixel information and the whole pixel information of the filtered image after filtering processing, enhancing the filtered image to generate an enhanced image;
generating a similar gradient map according to the enhanced image, and carrying out binarization processing on the similar gradient map to generate a binary image;
comparing the generated binary image with prestored information of a storage module to judge the quality of the plasma, and comparing the acquired pressure information with the extracted corresponding attribute information of the bar code to judge whether the weight of the plasma is qualified;
step eight, voice broadcasting is carried out on the processing result through a voice player, and when the processing result is abnormal, an alarm is given out through an alarm;
and step nine, data packaging is carried out on the processing result through the data uploading module, and the processing result is uploaded to a remote monitoring terminal to be stored and recorded.
2. The intelligent plasma quality detection method of claim 1, wherein the corresponding attribute information of the barcode comprises weight of plasma, warehousing time, blood type, and plasma category condition.
3. The intelligent plasma quality detection method according to claim 1, wherein in step seven, the comparing the generated binary image with the pre-stored information in the storage module, and the determining the quality of the plasma comprises:
1) extracting the characteristics of the generated binary image and generating a corresponding characteristic image;
2) acquiring a plasma standard characteristic image from a database;
3) calculating the similarity between the generated plasma characteristic image and the plasma standard characteristic image;
4) and judging the plasma quality based on the similarity calculation result, wherein the higher the similarity is, the higher the plasma quality is.
4. The intelligent plasma quality detection method of claim 3, wherein in step 1), the image features comprise color distribution, structure and texture image features.
5. An intelligent plasma quality discriminator for performing the intelligent plasma quality detecting method according to any one of claims 1 to 4, wherein said intelligent plasma quality discriminator comprises:
the storage module is connected with the data acquisition and control module and used for storing the preset information and the acquired information through the memory;
the identification code scanning module is connected with the data acquisition and control module and is used for scanning and identifying the bar code adhered to the surface of the blood plasma through the bar code scanner;
the image acquisition module is connected with the data acquisition and control module and is used for acquiring the image information of the blood plasma through the CCD camera;
the supporting module is connected with the data acquisition and control module and is used for supporting and supporting the blood plasma through the light-transmitting supporting plate;
the pressure detection module is connected with the data acquisition and control module and is used for detecting the weight of the blood plasma through a pressure sensor embedded in the middle of the light-transmitting bearing plate;
the human-computer interaction module is connected with the data acquisition and control module and used for displaying the acquired information and the processed information through a human-computer interaction interface and carrying out human-computer interaction operation;
the data uploading module is connected with the data acquisition and control module and used for carrying out data packaging and uploading on the acquired information and the processing result through the signal transmission device;
the voice broadcasting module is connected with the data acquisition and control module and used for carrying out voice broadcasting on the processing result through the voice player;
the warning module is connected with the data acquisition and control module and used for giving an alarm through the alarm when abnormal information is detected;
and the data acquisition and control module is connected with the storage module, the identification code scanning module, the image acquisition module, the bearing module, the pressure detection module, the human-computer interaction module, the data uploading module, the voice broadcasting module and the warning module, and is used for receiving and processing the acquired information through the central processing unit and generating corresponding control instructions according to preset instructions and processing results to coordinate and control the work of each module.
6. The intelligent plasma quality interpreter apparatus of claim 5, wherein said identification code scanning module comprises:
the scanning unit is used for scanning the bar code through the code scanner;
the identification unit is used for screening the information prestored in the storage module according to the scanning information of the bar code;
and the extraction unit is used for extracting the information corresponding to the screened bar codes and sending the extracted information to the data acquisition and control module.
7. The intelligent plasma quality interpreter apparatus of claim 5, wherein said image acquisition module comprises:
the CCD camera unit is used for acquiring image information through a CCD camera;
the illumination compensation unit is used for performing illumination compensation when the CCD camera performs image acquisition through the LED light supplement lamp;
and the data transmission unit is used for transmitting the image information acquired by the CCD camera to the data acquisition and control module.
8. The intelligent plasma quality interpreter apparatus of claim 5, wherein said data acquisition and control module comprises:
the parameter configuration unit is used for presetting and inputting control parameters through the input device;
the data receiving unit is used for receiving the collected data of the parameter collecting devices;
the image preprocessing unit is used for carrying out gray scale and definition processing on the collected plasma image;
the data processing unit is used for comparing the preprocessed image with pre-stored information of the storage module, judging the quality of the blood plasma and judging whether the weight of the blood plasma is qualified or not through the collected pressure information;
and the control instruction generating unit is used for generating a control instruction according to the preset parameters and the processing result information and transmitting the control instruction to the corresponding controlled device.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the intelligent plasma quality detection method of any one of claims 1-4 when executed on an electronic device.
10. A computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the intelligent plasma quality detection method of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010519348.7A CN111797952B (en) | 2020-06-09 | 2020-06-09 | Intelligent plasma quality judging and reading instrument and quality detection method thereof |
Applications Claiming Priority (1)
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