CN215262566U - Automatic sample sewage quality of water check out test set - Google Patents
Automatic sample sewage quality of water check out test set Download PDFInfo
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- CN215262566U CN215262566U CN202120450440.2U CN202120450440U CN215262566U CN 215262566 U CN215262566 U CN 215262566U CN 202120450440 U CN202120450440 U CN 202120450440U CN 215262566 U CN215262566 U CN 215262566U
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- sewage
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- base plate
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- 239000010865 sewage Substances 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 75
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 12
- 238000012372 quality testing Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- -1 turbidity Substances 0.000 description 1
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Abstract
The utility model discloses an automatic sampling sewage quality detection device, which comprises a base plate, an automatic sampling mechanism and a lifting mechanism; substrate: four supporting rods are symmetrically arranged in the middle of the upper surface of the base plate, the upper ends of the supporting rods are fixedly connected with the bottom surface of the shunt box, transparent detection boxes are symmetrically arranged at four corners of the upper surface of the base plate, four shunt ports symmetrically arranged on the outer side surface of the shunt box are communicated with the transparent detection boxes corresponding to the same side through guide pipes, reagent feeding pipes are arranged at reagent feeding ports in the middle of the upper surface of each transparent detection box, waste discharge pipes are arranged at waste discharge ports at the bottom end of the outer side surface of each transparent detection box, and pipe valves are connected in series inside the waste discharge pipes; automatic sampling mechanism: the shunt box is arranged in a through hole at the center of the shunt box; this automatic sample sewage quality of water check out test set can accomplish sewage sampling work automatically, has alleviateed personnel's work burden to satisfy the sewage sampling work of the different degree of depth, quick effectual completion sewage quality of water detection work.
Description
Technical Field
The utility model relates to a sewage detection technology field specifically is an automatic sample sewage water quality testing equipment.
Background
Sewage is the effluent from life and production that is contaminated to some extent. The water which loses the original use function is called sewage for short. Sewage may be defined as a waste-laden liquid or water mixed with ground water, surface water, snow storms, etc. discharged from residential, institutional, commercial or industrial areas from the point of view of the source of the sewage. Sewage is classified into many categories, and there are many techniques and processes for reducing the environmental impact of sewage accordingly. In order to be directed against different types of sewage treatment work, need earlier carry out detection achievement to the quality of water of sewage, after obtaining quality of water data such as pH value, turbidity, oxygen solubility, temperature of sewage, just can carry out corresponding treatment achievement to sewage, current sewage water quality testing equipment, generally need sample through artificial manual, personnel's work burden is heavier, and be difficult to satisfy the sewage sampling work of the different degree of depth, consequently, in order to solve above-mentioned problem, we have designed an automatic sampling sewage water quality testing equipment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic sample sewage water quality testing equipment, can accomplish sewage sample work automatically, alleviateed personnel's work burden to satisfy the sewage sample work of the different degree of depth, quick effectual completion sewage water quality testing work can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic sampling sewage quality detection device comprises a base plate, an automatic sampling mechanism and a lifting mechanism;
substrate: four supporting rods are symmetrically arranged in the middle of the upper surface of the base plate, the upper ends of the supporting rods are fixedly connected with the bottom surface of the shunt box, transparent detection boxes are symmetrically arranged at four corners of the upper surface of the base plate, four shunt ports symmetrically arranged on the outer side surface of the shunt box are communicated with the transparent detection boxes corresponding to the same side through guide pipes, reagent feeding pipes are arranged at reagent feeding ports in the middle of the upper surface of each transparent detection box, waste discharge pipes are arranged at waste discharge ports at the bottom end of the outer side surface of each transparent detection box, and pipe valves are connected in series inside the waste discharge pipes;
automatic sampling mechanism: the shunt box is arranged in a through hole at the center of the shunt box;
the lifting mechanism: it is arranged on the outer side surface of the substrate;
wherein: still include the PLC controller, the PLC controller sets up in the upper surface front side of base plate, and external power source is connected to the input electricity of PLC controller, can accomplish sewage sample work automatically, has alleviateed personnel's work burden to satisfy the sewage sample work of the different degree of depth, quick effectual completion sewage quality of water detection work.
Further, automatic sampling mechanism includes a sampling section of thick bamboo, spiral shell, screw motor, sample connection and outlet, the sampling section of thick bamboo sets up in the through-hole of reposition of redundant personnel case center department, the upper end of sampling section of thick bamboo extends to the top of sampling section of thick bamboo, the lower extreme of sampling section of thick bamboo runs through the center department of base plate and extends to the below of base plate, the inside of sampling section of thick bamboo is rotated through the bearing and is connected with the spiral shell, the screw motor output shaft of sampling section of thick bamboo upper surface setting and the upper end fixed connection of spiral shell, the angle such as extrados bottom of sampling section of thick bamboo is equipped with the sample connection, the outlet of symmetry around being equipped with on the extrados of sampling section of thick bamboo, the outlet is located the inside of reposition of redundant personnel case, the output of PLC controller is connected to screw motor's input electricity, can accomplish sewage sampling work automatically, personnel's work burden has been lightened.
Further, elevating system includes deflector, hollow base, screw rod motor and slide bar, the deflector symmetry sets up in the side of controlling of base plate, the outside of deflector all overlaps and is equipped with hollow base, the inside center department of hollow base all is connected with the screw rod through the bearing rotation, the screw rod motor output shaft that the hollow base upper surface set up and the upper end fixed connection of screw rod, the slide bar of symmetry around the inside of hollow base all is equipped with, the screw threaded connection at screw rod and deflector middle part, the slide bar is connected with the slide opening sliding connection of deflector edge, the output of PLC controller is connected to the input electricity of screw rod motor, can satisfy the sewage sample work of the different degree of depth.
Further, the leading flank lower extreme of reposition of redundant personnel case is equipped with bilateral symmetry's temperature sensor, and temperature sensor's response end all runs through the preceding lateral wall of reposition of redundant personnel case and extends to the inside of reposition of redundant personnel case, and PLC controller's input is connected to temperature sensor's output electricity, can detect the temperature data of sewage.
Further, the inside of transparent detection box all is connected with the stirring frame through the bearing rotation, and the central pivot fixed connection of the stirring motor output shaft that transparent detection box lateral surface set up and stirring frame, the output of PLC controller is connected to stirring motor's input electricity, can make detect reagent and the abundant mixing of sewage.
Compared with the prior art, the beneficial effects of the utility model are that: this automatic sample sewage water quality testing equipment has following benefit:
1. through the regulation and control of PLC controller, screw motor operation drives the screw rod and rotates, because the screw threaded connection at screw rod and deflector middle part, the slide bar changes with the slide opening sliding connection at deflector edge, can make the deflector move the high position of base plate, further makes the high change of sampling tube, makes the sample connection of sampling tube bottom dip in the sewage pond, satisfies the sewage sampling work of the different degree of depth.
2. Through the regulation and control of PLC controller afterwards, the screw motor operation drives the spiral shell frame rotatory, will get into the inside sewage of sampling tube through the outlet by the sample connection through the spiral shell frame and pour into the inside of reposition of redundant personnel case, accomplishes sewage sample work automatically, and temperature sensor can measure the back and feed back measured data to the PLC controller to the temperature of the inside sewage of reposition of redundant personnel case simultaneously, can make personnel know the temperature data of sewage.
3. Later the inside sewage of reposition of redundant personnel incasement portion can get into inside the different transparent detection box through the honeycomb duct, personnel put in the inside that the pipe sent into transparent detection box through the reagent with different detect reagent according to the measuring demand, regulation and control through the PLC controller, agitator motor operates, it is rotatory to drive the stirring frame, make detect reagent and the abundant mixing of sewage, personnel can be through observing and comparing the colour of sewage, deposit, nature such as flocculation determines the PH value of sewage, turbidity, water quality data such as oxygen solubility, quick effectual completion sewage water quality testing work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner cross-section structure of the present invention;
fig. 3 is the schematic view of the in-plane cross-section structure of the present invention.
In the figure: the device comprises a base plate 1, a support rod 2, a flow distribution box 3, an automatic sampling mechanism 4, a sampling cylinder 41, a spiral rack 42, a spiral motor 43, a sampling port 44, a sample outlet 45, a PLC 5, a lifting mechanism 6, a guide plate 61, a hollow base 62, a screw 63, a screw motor 64, a slide bar 65, a transparent detection box 7, a flow guide pipe 8, a reagent feeding pipe 9, a waste discharge pipe 10, a temperature sensor 11, a stirring rack 12 and a stirring motor 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an automatic sampling sewage quality detection device comprises a substrate 1, an automatic sampling mechanism 4 and a lifting mechanism 6;
substrate 1: four supporting rods 2 are symmetrically arranged in the middle of the upper surface of the base plate, the upper ends of the supporting rods 2 are fixedly connected with the bottom surface of a shunt box 3, transparent detection boxes 7 are symmetrically arranged at four corners of the upper surface of the base plate 1, four shunt ports symmetrically arranged on the outer side surface of the shunt box 3 are communicated with the transparent detection boxes 7 corresponding to the same side through a diversion pipe 8, reagent feeding ports in the middle of the upper surface of each transparent detection box 7 are provided with reagent feeding pipes 9, waste discharge pipes 10 are arranged at waste discharge ports at the bottom ends of the outer side surfaces of the transparent detection boxes 7, pipe valves are connected in series inside the waste discharge pipes 10, then sewage in the shunt box 3 can enter different transparent detection boxes 7 through the diversion pipe 8, personnel can feed different detection reagents into the transparent detection boxes 7 through the reagent feeding pipes 9 according to detection requirements, and can judge the PH value of the sewage through observing and comparing the conditions of color, precipitation, flocculation and the like of the sewage, The water quality data such as turbidity, oxygen solubility and the like can quickly and effectively complete the detection work of the sewage quality, and the waste liquid can be discharged by opening the pipe valve connected in series in the waste discharge pipe 10 after the detection is finished;
automatic sampling mechanism 4: the automatic sampling mechanism 4 comprises a sampling cylinder 41, a spiral rack 42, a spiral motor 43, a sampling port 44 and a sample outlet 45, wherein the sampling cylinder 41 is arranged in the through hole at the center of the shunt box 3, the upper end of the sampling cylinder 41 extends to the upper part of the sampling cylinder 41, the lower end of the sampling cylinder 41 penetrates through the center of the substrate 1 and extends to the lower part of the substrate 1, the spiral rack 42 is rotatably connected inside the sampling cylinder 41 through a bearing, the output shaft of the spiral motor 43 arranged on the upper surface of the sampling cylinder 41 is fixedly connected with the upper end of the spiral rack 42, the bottom end of the outer arc surface of the sampling cylinder 41 is provided with the sampling port 44 at equal angles, the upper end of the outer arc surface of the sampling cylinder 41 is provided with the sample outlet 45 which is symmetrical in the front and back, the sample outlet 45 is positioned inside the shunt box 3, the input end of the spiral motor 43 is electrically connected with the output end of the PLC 5, and then the PLC 5 is regulated, the screw motor 43 operates to drive the screw rack 42 to rotate, and sewage entering the sampling cylinder 41 from the sampling port 44 is poured into the flow distribution box 3 through the sample outlet 45 by the screw rack 42, so that the sewage sampling work is automatically completed;
the lifting mechanism 6: the lifting mechanism 6 comprises a guide plate 61, a hollow base 62, a screw 63, a screw motor 64 and a slide rod 65, wherein the guide plate 61 is symmetrically arranged on the left side surface and the right side surface of the base plate 1, the hollow base 62 is sleeved outside the guide plate 61, the screw 63 is rotatably connected to the center of the inside of the hollow base 62 through a bearing, the output shaft of the screw motor 64 arranged on the upper surface of the hollow base 62 is fixedly connected with the upper end of the screw 63, the slide rods 65 which are symmetrical in the front and back are arranged inside the hollow base 62, the screw 63 is in threaded connection with a screw hole in the middle of the guide plate 61, the slide rod 65 is in sliding connection with a slide hole in the edge of the guide plate 61, the input end of the screw motor 64 is electrically connected with the output end of the PLC 5, the screw motor 64 operates to drive the screw 63 to rotate through the regulation and control of the PLC 5, and the screw 63 is in threaded connection with the screw hole in the middle of the guide plate 61, the slide bar 65 is connected with the slide hole at the edge of the guide plate 61 in a sliding manner, so that the guide plate 61 can drive the height position of the substrate 1 to change, the height of the sampling cylinder 41 is further changed, and the sampling port 44 at the bottom end of the sampling cylinder 41 is immersed in a sewage pool, thereby meeting the sampling work of sewage at different depths;
wherein: still include PLC controller 5, PLC controller 5 sets up in the upper surface front side of base plate 1, and external power source is connected to PLC controller 5's input electricity.
Wherein: the leading flank lower extreme of reposition of redundant personnel case 3 is equipped with bilateral symmetry's temperature sensor 11, temperature sensor 11's response end all runs through the preceding lateral wall of reposition of redundant personnel case 3 and extends to reposition of redundant personnel case 3's inside, PLC controller 5's input is connected to temperature sensor 11's output electricity, temperature sensor 11 measures the back and with survey data feedback to PLC controller 5 to the temperature of the inside sewage of reposition of redundant personnel case 3, can make personnel know the temperature data of sewage.
Wherein: transparent detection box 7's inside all is rotated through the bearing and is connected with stirring frame 12, and the central pivot fixed connection of stirring motor 13 output shaft and stirring frame 12 that transparent detection box 7 lateral surface set up, PLC controller 5's output is connected to stirring motor 13's input electricity, and through PLC controller 5's regulation and control, stirring motor 13 operates, and it is rotatory to drive stirring frame 12 for detect reagent and the abundant mixing of sewage.
When in use: through the regulation and control of the PLC 5, the screw motor 64 operates to drive the screw 63 to rotate, as the screw 63 is in threaded connection with a screw hole in the middle of the guide plate 61, the slide rod 65 is in sliding connection with a slide hole in the edge of the guide plate 61, the guide plate 61 can drive the height position of the substrate 1 to change, and further the height of the sampling cylinder 41 changes, so that the sampling port 44 at the bottom end of the sampling cylinder 41 is immersed in a sewage pool to meet the sewage sampling work of different depths, then through the regulation and control of the PLC 5, the screw motor 43 operates to drive the screw rack 42 to rotate, sewage entering the sampling cylinder 41 from the sampling port 44 is filled into the shunt box 3 through the sample outlet 45 through the screw rack 42, the sewage sampling work is automatically completed, the temperature sensor 11 measures the temperature of the sewage in the shunt box 3 and feeds measured data back to the PLC 5, and then the sewage in the shunt box 3 can enter different transparent detection boxes 7 through the draft tube 8, personnel throw the inside that pipe 9 sent into transparent detection box 7 through the reagent according to the testing requirement with different detect reagent, through PLC controller 5's regulation and control, agitator motor 13 operates, drives stirring frame 12 rotation for detect reagent and the abundant mixing of sewage, personnel can judge quality of water data such as pH value, turbidity, oxygen solubility of sewage through observing and comparing properties such as the colour of sewage, sediment, flocculation, quick effectual completion sewage quality of water detection work.
It is to be noted that the core chip of the PLC controller 5 disclosed in this embodiment is an Intel-8051 single chip microcomputer, the screw motor 43 and the screw motor 64 are both 5IK150RGU-CF speed-adjustable motors available from wepont electromechanical limited, eastern guan, the stirring motor 13 is a 28H2P3205a4 micro-stepper motor available from yinergy electromechanical limited, dongguan, the temperature sensor 11 is a PT100 platinum resistance temperature sensor available from the public measurement sensor technology limited, and the PLC controller 5 controls the screw motor 43, the screw motor 64, the stirring motor 13 and the temperature sensor 11 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an automatic sample sewage water quality testing equipment which characterized in that: comprises a substrate (1), an automatic sampling mechanism (4) and a lifting mechanism (6);
substrate (1): four supporting rods (2) are symmetrically arranged in the middle of the upper surface of the base plate, the upper ends of the supporting rods (2) are fixedly connected with the bottom surface of the shunt box (3), transparent detection boxes (7) are symmetrically arranged at four corners of the upper surface of the base plate (1), four shunt ports symmetrically arranged on the outer side surface of the shunt box (3) are communicated with the transparent detection boxes (7) corresponding to the same side through guide pipes (8), reagent feeding pipes (9) are arranged at reagent feeding ports in the middle of the upper surface of the transparent detection boxes (7), waste discharge pipes (10) are arranged at waste discharge ports at the bottom ends of the outer side surfaces of the transparent detection boxes (7), and series pipe valves are arranged inside the waste discharge pipes (10);
automatic sampling mechanism (4): the flow divider is arranged in a through hole in the center of the flow divider box (3);
lifting mechanism (6): which is arranged on the outer side surface of the substrate (1);
wherein: still include PLC controller (5), PLC controller (5) set up in the upper surface front side of base plate (1), and external power source is connected to the input electricity of PLC controller (5).
2. The automatic sampling sewage quality detection device of claim 1, characterized in that: the automatic sampling mechanism (4) comprises a sampling cylinder (41), a spiral frame (42), a spiral motor (43), a sampling port (44) and a sample outlet (45), the sampling cylinder (41) is arranged in a through hole at the center of the flow distribution box (3), the upper end of the sampling cylinder (41) extends to the upper part of the sampling cylinder (41), the lower end of the sampling cylinder (41) penetrates through the center of the substrate (1) and extends to the lower part of the substrate (1), the spiral frame (42) is rotatably connected inside the sampling cylinder (41) through a bearing, an output shaft of the spiral motor (43) arranged on the upper surface of the sampling cylinder (41) is fixedly connected with the upper end of the spiral frame (42), the sampling port (44) is arranged at equal angles at the bottom end of the extrados of the sampling cylinder (41), the sample outlet (45) is arranged at the upper end of the extrados of the sampling cylinder (41) and is symmetrical front and back, and the sample outlet (45) is positioned inside the flow distribution box (3), the input end of the spiral motor (43) is electrically connected with the output end of the PLC (5).
3. The automatic sampling sewage quality detection device of claim 1, characterized in that: elevating system (6) include deflector (61), hollow base (62), screw rod (63), screw motor (64) and slide bar (65), deflector (61) symmetry sets up in the side of controlling of base plate (1), the outside of deflector (61) all is equipped with hollow base (62), the inside center department of hollow base (62) all is connected with screw rod (63) through the bearing rotation, the upper end fixed connection of screw motor (64) output shaft and screw rod (63) that hollow base (62) upper surface set up, the inside of hollow base (62) all is equipped with slide bar (65) of longitudinal symmetry, screw rod (63) and the screw threaded connection at deflector (61) middle part, slide bar (65) and the slide opening sliding connection of deflector (61) edge, the output of PLC controller (5) is connected to the input electricity of screw motor (64).
4. The automatic sampling sewage quality detection device of claim 1, characterized in that: the leading flank lower extreme of reposition of redundant personnel case (3) is equipped with bilateral symmetry's temperature sensor (11), and the response end of temperature sensor (11) all runs through the preceding lateral wall of reposition of redundant personnel case (3) and extends to the inside of reposition of redundant personnel case (3), and the input of PLC controller (5) is connected to the output electricity of temperature sensor (11).
5. The automatic sampling sewage quality detection device of claim 1, characterized in that: the inside of transparent detection box (7) all is connected with stirring frame (12) through the bearing rotation, and the central pivot fixed connection of agitator motor (13) output shaft and stirring frame (12) that transparent detection box (7) lateral surface set up, the output of PLC controller (5) is connected to the input electricity of agitator motor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450440.2U CN215262566U (en) | 2021-03-02 | 2021-03-02 | Automatic sample sewage quality of water check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120450440.2U CN215262566U (en) | 2021-03-02 | 2021-03-02 | Automatic sample sewage quality of water check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262566U true CN215262566U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120450440.2U Expired - Fee Related CN215262566U (en) | 2021-03-02 | 2021-03-02 | Automatic sample sewage quality of water check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262566U (en) |
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2021
- 2021-03-02 CN CN202120450440.2U patent/CN215262566U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |