CN214251937U - Blood penetrability test equipment for protective clothing cloth - Google Patents
Blood penetrability test equipment for protective clothing cloth Download PDFInfo
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- CN214251937U CN214251937U CN202023143064.7U CN202023143064U CN214251937U CN 214251937 U CN214251937 U CN 214251937U CN 202023143064 U CN202023143064 U CN 202023143064U CN 214251937 U CN214251937 U CN 214251937U
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Abstract
The utility model relates to a blood penetrability test equipment for protective clothing cloth for detect the blood penetrability of protective clothing cloth. The testing equipment comprises a rack, a control module, a liquid supply device and a testing device, wherein the rack comprises a working platform and a sliding frame arranged on the working platform. The testing device is connected to the sliding frame in a sliding mode, and the control module is electrically connected with the liquid supply device. The testing device comprises a base, a supporting net, a top cover and a locking assembly, wherein the base is provided with a groove-shaped testing cavity and a liquid inlet channel communicated with the testing cavity, and the supporting net is arranged at an opening of the testing cavity. The liquid supply device is connected with the liquid inlet channel and used for conveying test liquid to the test cavity, and the pressure of the test liquid is adjusted according to the control instruction of the control module. The supporting net is used for supporting protective clothing cloth pushed by blood, and the protective clothing cloth is clamped between the top cover and the base.
Description
Technical Field
The utility model relates to a test technical field, concretely relates to a blood penetrability test equipment for protective clothing cloth.
Background
During the operation, the blood vessel is broken to splash blood under the action of the pressure of the blood vessel, so that liquid with pressure is formed. The protective clothing is applied to the fields of medical operations and the like so as to protect medical staff such as doctors and the like from being infected in the operation process. Wherein, the blood that has the impact force can sputter to the protective clothing, consequently, the protective clothing cloth needs satisfy national standard to accord with the protective clothing and possess corresponding anti penetrability requirement and air permeability requirement. In the related art, a blood permeability test apparatus is used to detect whether a protective clothing fabric meets a permeability requirement. However, the protective clothing cloth in the existing blood penetrability test equipment is difficult to assemble and disassemble and is not easy to fix, so that improvement is needed.
Disclosure of Invention
An object of the utility model is to provide a blood penetrability test equipment for protective clothing cloth.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a blood penetrability test equipment for protective clothing cloth for detect the liquid penetrability of protective clothing cloth, test equipment include the frame, install in the control module of frame, supply liquid device and testing arrangement, the frame include work platform and install in work platform's carriage, testing arrangement sliding connection in the carriage, control module with supply the liquid device electricity to be connected, testing arrangement includes that base, supporting network, lid are located the top cap and the locking of base are connected the base with the locking subassembly of top cap, the supporting network is made by metal material, the base be provided with the test chamber of recess form and with the inlet channel of test chamber intercommunication, the opening part in test chamber is located to the supporting network lid, supply liquid device with the inlet channel is connected for to test intracavity transport test liquid, the pressure of the test liquid is adjusted according to the control instruction of the control module, the support net is used for supporting the protective clothing cloth pushed by the liquid, and the protective clothing cloth is clamped between the top cover and the base.
In one embodiment, the top cover is provided with an observation part corresponding to the test cavity, the observation part is made of transparent materials, and the supporting net is arranged opposite to the observation part.
In one embodiment, the base comprises a main body part and a flange part protruding from the peripheral wall of the main body part, one side surface of the flange part is flush with one end face of the main body part, and the opening of the test cavity is located at the other end of the main body part.
In an embodiment, the testing device further comprises a connecting frame connected to the base and a clamping frame slidably connected to the connecting frame, and the clamping frame is slidably connected to the sliding frame and clamped and locked with the sliding frame.
In one embodiment, the testing device further comprises a drain assembly mounted to the base, the drain assembly being in communication with the testing chamber, the frame including a waste collector, the drain assembly being located above the waste collector.
In an embodiment, one end of the locking component penetrates out of the base, the rack further comprises a disassembling component mounted on the working platform, and when the testing device is assembled to the disassembling component, the locking component is limited to the disassembling component in an inserting mode.
In one embodiment, the disassembling and assembling component comprises a disassembling plate fixedly connected to the working platform, the disassembling plate comprises two or more limiting grooves distributed at intervals, the base is abutted and attached to the disassembling plate, and the locking component is correspondingly inserted into the limiting grooves.
In one embodiment, the liquid supply device comprises a pressure regulating assembly, a pressure reducing valve connected to the pressure regulating assembly and an air source assembly connected to the pressure reducing valve, and the pressure regulating assembly is connected to the liquid inlet channel.
In one embodiment, the liquid supply device comprises a pressure sensor connected to the pressure regulating assembly, and the pressure sensor is located at the output end of the pressure regulating assembly and is used for detecting the pressure of the liquid output by the pressure regulating assembly.
In one embodiment, the control module comprises a circuit board and a display component connected to the circuit board, the circuit board is mounted in the rack, the rack comprises a mounting rack, the mounting rack is located above the working platform, and the display component is mounted on the mounting rack.
The utility model has the advantages that: the base and the top cover clamp the protective clothing cloth and are locked through the locking component in a clamping mode, so that the protective clothing cloth is locked and the opening of the testing cavity is sealed, and the protective clothing cloth is convenient to disassemble, assemble and fix. The protective clothing cloth is attached to the supporting net under the impact of liquid in the testing cavity, the supporting net can keep the protective clothing cloth flat, the liquid pressure of the liquid seeping out of the protective clothing cloth can be observed and judged, and the test is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of a three-dimensional structure of the middle test device of the present invention.
Fig. 2 is a schematic view of the structure of the middle test device of the present invention.
Fig. 3 is a schematic side view of the testing apparatus of the present invention.
Fig. 4 is a schematic perspective view of the middle testing device of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of the middle testing device of the present invention.
Fig. 6 is a schematic diagram of a back structure of the middle test device of the present invention.
In the figure: a frame 10; a working platform 11; a carriage 12; a mounting frame 13; a waste liquid collector 14; a testing device 20; a base 21; a test chamber 211; a main body portion 212; a flange portion 213; a top cover 22; an observation section 221; a support net 23; a locking assembly 24; a liquid inlet channel 25; a drain assembly 26; a connecting frame 27; a holder 28; a liquid supply device 30; a pressure regulating assembly 31; a pressure reducing valve 32; a gas supply assembly 33; a pressure sensor 34; a control module 40; a display component 41; a disassembly and assembly 50; a detaching plate 51; a limit groove 511; a protective clothing fabric 60.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the utility model discloses a blood penetrability test equipment for protective clothing cloth for detect the liquid penetrability of protective clothing cloth 60, test equipment include frame 10, install in control module 40, liquid supply device 30 and testing arrangement 20 of frame 10. The rack 10 comprises a working platform 11 and a sliding frame 12 installed on the working platform 11, the testing device 20 is connected to the sliding frame 12 in a sliding mode, and the control module 40 is electrically connected with the liquid supply device 30. The rack 10 is of a frame-type construction to mount and support the other components of the test equipment. The testing device is partially arranged on a plane basis, the upper surface of the working platform 11 is in a horizontal direction, and the sliding frame 12 is vertical to the upper surface of the working platform 11. The testing device 20 is slidably coupled to the carriage 12 to be spaced apart from or close to the upper surface of the work platform 11, thereby adjusting the positional relationship of the testing device 20 with respect to the work platform 11.
The base 21 is a thin-walled structural member with a groove, the top cover 22 is covered and connected to the base 21 to close the testing chamber 211, and the base 21 and the top cover 22 are locked and connected through the locking assembly 24, so that the joint surface between the base 21 and the top cover 22 is sealed and the locking is convenient. The protective clothing sheet 60 is held between the base 21 and the top cover 22, and the test chamber 211 can be connected to the liquid supply device 30 only through the liquid inlet passage 25. The liquid supply device 30 inputs liquid into the testing cavity 211 through the liquid inlet channel 25, and the liquid presses the protective clothing fabric 60 in the process of inputting the liquid into the testing cavity 211, so that the plane on one side of the protective clothing fabric 60 bears the pressure of the liquid, and the permeability of the protective clothing under the action of the liquid with the preset pressure is simulated and detected. The liquid is a standard liquid for testing the protective clothing fabric 60, and for example, the liquid is set to be a standard liquid such as artificial blood. The liquid pressure input into the testing cavity 211 by the liquid supply device 30 is adjusted according to the control instruction of the control module 40 to output liquid with different pressures, so that the penetration performance of the protective clothing fabric 60 under different liquid pressures is tested to judge the penetration performance of the protective clothing fabric 60 with different degrees.
The supporting net 23 is made of metal material, the supporting net 23 is a latticed plane structural member and is fixed on the top cover 22 or the base 21; alternatively, the support net 23 is held and fixed by the top cover 22 or the base 21. The supporting net 23 is used for supporting the surface of one side, not contacted with liquid, of the protective clothing fabric 60, so that the protective clothing fabric 60 can be smoothly attached to the supporting net 23, the liquid pressure received by each part of the protective clothing is balanced, and the penetrability of the protective clothing fabric 60 can be accurately detected.
The base 21 and the top cover 22 clamp the protective clothing fabric 60 and are clamped and locked through the locking assembly 24, so that the protective clothing fabric 60 is locked and the opening of the testing cavity 211 is closed, and the protective clothing fabric 60 is convenient to disassemble, assemble and fix. The protective clothing cloth 60 is attached to the supporting net 23 under the impact of liquid in the testing cavity 211, the supporting net 23 can keep the protective clothing cloth 60 flat, the liquid pressure of the liquid seeping out of the protective clothing cloth 60 can be observed and judged, and the test is convenient. The liquid can not permeate along the matching surface of the base 21 and the top cover 22, and the sealing effect is good.
As shown in fig. 4 and 5, in one embodiment, the top cover 22 is provided with a viewing part 221 corresponding to the test chamber 211, the viewing part 221 is made of a transparent material, and the support net 23 is disposed opposite to the viewing part 221. The top cover 22 is provided with a transparent observation part 221 for directly observing the penetrability of the protective clothing fabric 60 under the action of liquid through the top cover 22, and the observation is convenient. Optionally, the supporting net 23 is located between the observation portion 221 and the protective clothing fabric 60, and the area of the supporting net 23 is larger than that of the observation portion 221, so that light can be transmitted to the supporting net 23 and the protective clothing fabric 60 along the observation portion 221, and the observation is convenient for a user. Optionally, the viewing portion 221 is in an annular configuration to maintain consistency of viewing at various angles. Alternatively, the observation portion 221 is made of glass, transparent resin, acrylic, or the like. The top cover 22 further includes an annular frame, and the observation portion 221 is provided at the center of the annular frame.
In one embodiment, the base 21 includes a main body 212 and a flange 213 protruding from an outer peripheral wall of the main body 212, a side surface of the flange 213 is flush with an end surface of the main body 212, and an opening of the test chamber 211 is located at the other end of the main body 212. The test chamber 211 is a groove structure formed by sinking from one end face of the main body part 212, and the liquid inlet channel 25 is arranged on the outer peripheral wall of the main body part 212 and communicated to the test chamber 211. The flange 213 protrudes outward from the outer peripheral wall of the main body 212 to form a protrusion or a protruding ring structure, and during the installation of the base 21 and the top cover 22, the flange 213 can enlarge the contact surface between the base 21 and the working platform 11, so that the installation stability is high.
Base 21 is slidably coupled to carriage 12 to move testing device 20 relative to work platform 11. In one embodiment, the testing device 20 further comprises a connecting frame 27 connected to the base 21 and a clamping frame 28 slidably connected to the connecting frame 27, wherein the clamping frame 28 is slidably connected to the sliding frame 12 and is clamped and locked with the sliding frame 12. The connecting frame 27 is connected to the base 21 so that the base 21 and other components mounted to the base 21 are integrally connected to the carriage 12 for easy installation. Alternatively, the connecting frame 27 is fixedly connected to the base 21 so that the two are integrated. For example, the connecting frame 27 is welded to the base 21, and the bonding strength is high. Optionally, the connecting frame 27 and the base 21 can be detachably connected, so that the two can be combined and fixed at will, the base 21 and the connecting frame 27 can be replaced conveniently, the multiple testing devices 20 can be adapted to the same connecting frame 27, and the dismounting and detecting efficiency can be improved. For example, the connecting frame 27 is connected with the base 21 by fastening; the connecting frame 27 is connected with the base 21 in a plugging fit manner; the connector is screwed to the base 21, etc.
The connecting frame 27 is slidably connected to the holding frame 28 to adjust the position of the connecting frame 27 relative to the holding frame 28, and then adjust the distance between the base 21 and the sliding frame 12, which is convenient for adjustment. The holder 28 is slidably coupled to the carriage 12 to adjust the height position of the base 21 in the sliding direction of the carriage 12. The sliding direction of the connecting frame 27 sliding on the holding frame 28 is perpendicular to the sliding direction of the holding frame 28 sliding on the sliding frame 12, so as to realize the planar position adjustment of the base 21, and the position adjustment is convenient.
Further, the testing device 20 further comprises a drainage assembly 26 mounted to the base 21, wherein the drainage assembly 26 is in communication with the testing chamber 211. The housing 10 includes a waste collector 14, and the drain assembly 26 is positioned above the waste collector 14. After the penetration test of the protective clothing fabric 60 is completed, the drain assembly 26 is used to drain the waste liquid in the test cavity 211, so that the test apparatus 20 can be detached and replaced with the protective clothing fabric 60 for test. Optionally, the drain assembly 26 includes a drain valve electrically connected to the control module 40 such that the control module 40 controls the drain valve to open or close to perform the corresponding sensing function.
As shown in fig. 1 and 6, the waste liquid collector 14 is located below the liquid discharge assembly 26, so that the waste liquid flows out of the liquid discharge assembly 26 and then is collected into the waste liquid collector 14, thereby avoiding waste liquid pollution and facilitating waste liquid collection and centralized treatment. Optionally, the waste liquid collector 14 comprises a collecting frame mounted on the working platform 11, the collecting frame is provided with a liquid inlet, the aperture of the liquid inlet is gradually reduced from one end to the other end, wherein the large-aperture end of the liquid inlet faces the liquid drainage assembly 26.
After the test device 20 completes the test, the protective clothing material 60 after the test is completed needs to be removed and the protective clothing material 60 to be tested needs to be replaced. Wherein the locking assembly 24 needs to be unlocked to separate the top cover 22 from the base 21 to remove the protective clothing fabric 60. In an embodiment, one end of the locking component 24 extends out of the base 21, the rack 10 further includes a mounting and dismounting component 50 mounted on the working platform 11, and when the testing device 20 is assembled to the mounting and dismounting component 50, the locking component 24 is inserted and limited in the mounting and dismounting component 50.
The locking assembly 24 projects out of the base 21 to form a defined structure. Wherein one end of the locking assembly 24 is provided with at least one anti-rotation surface. The locking assembly 24 is inserted into the removal assembly 50 to limit rotation of the testing device 20 to facilitate unlocking of the locking assembly 24 on one side of the cap 22. Optionally, the locking assembly 24 includes a screw member and a locking member screwed to the screw member, the screw member penetrates through the base 21 and the top cover 22 and locks the base 21 and the top cover 22 through the locking member, and the locking effect is good. One end of the screw member is extended beyond the base 21 and is inserted and limited to the dismounting assembly 50. The disassembling and assembling component 50 comprises a disassembling plate 51 fixedly connected to the working platform 11, the disassembling plate 51 comprises two or more limiting grooves 511 distributed at intervals, the base 21 is abutted and attached to the disassembling plate 51, and the locking component 24 is correspondingly inserted into the limiting grooves 511.
Spacing groove 511 interval distribution is in the dismouting board to realize the multiple spot location of base 21, prevent that dismantlement board 51 from rotating, the dismouting is effectual. For example, four locking members 24 are provided, and the four locking members 24 are distributed at the vertex positions of the quadrangle. Accordingly, the disassembling plate 51 is provided with four limiting grooves 511, and the positions of the limiting grooves 511 correspond to the positions of the locking assemblies 24 to define the testing device 20. The disassembling and assembling component 50 is arranged on the working platform 11, so that a user does not need to additionally configure a tool for fixing the testing device 20, and the disassembling and assembling efficiency of the testing device 20 is improved.
The liquid supply device 30 is used for supplying liquid with a stable pressure to the test device 20, so that the pressure of the liquid tensioned and abutted against the protective clothing material 60 is stable, and the pressure of the liquid output by the liquid supply device 30 is different according to the protective clothing material 60 and the test requirements. In one embodiment, the liquid supply device 30 includes a pressure regulating assembly 31, a pressure reducing valve 32 connected to the pressure regulating assembly 31, and an air supply assembly 33 connected to the pressure reducing valve 32, wherein the pressure regulating assembly 31 is connected to the liquid inlet channel 25. The liquid is supplied through a line to a pressure relief valve 32, and an air supply assembly 33 is connected to the pressure relief valve 32 to regulate the input pressure of the liquid so that the pressure of the liquid entering the pressure regulating assembly 31 is increased. The pressure regulating assembly 31 is electrically connected with the control module 40, so that the pressure regulating assembly 31 outputs liquid with corresponding pressure according to a control instruction of the control module 40, wherein the liquid pressure of the pressure regulating assembly 31 is stable, and the accuracy of the penetrability test of the protective clothing cloth 60 is maintained. It is worth mentioning that, in the initial state, the liquid with the corresponding pressure impacts the protective clothing fabric 60, and the actual working scene can be simulated, so that whether the protective clothing fabric 60 is qualified or not is preliminarily judged, and the detection effect is good.
In an embodiment, the liquid supply device 30 includes a pressure sensor 34 connected to the pressure regulating assembly 31, and the pressure sensor 34 is located at an output end of the pressure regulating assembly 31 for detecting a pressure of the liquid output by the pressure regulating assembly 31. The pressure sensor 34 is disposed at the output end of the pressure regulating assembly 31 to detect the liquid pressure output by the pressure regulating assembly 31, so as to realize real-time monitoring and checking of the liquid pressure, and the data feedback is timely and accurate.
In one embodiment, the control module 40 includes a circuit board mounted in the housing 10 and a display assembly 41 connected to the circuit board. The frame 10 includes a mounting bracket 13, the mounting bracket 13 is located above the working platform 11, and the display assembly 41 is mounted on the mounting bracket 13. The display unit 41 is a display device such as a display screen, a touch panel, or a control panel that outputs information on corresponding parameters, and the circuit board includes a processor and a memory to control the liquid supply device 30 to output liquid at a predetermined pressure according to a built-in program. Optionally, the control module 40 further controls the pressure regulating assembly 31 to increase the liquid output pressure according to the standard interval duration to achieve a stepped pressure regulation, thereby obtaining the penetration test parameters corresponding to the protective clothing fabric 60.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. The utility model provides a blood penetrability test equipment for protective clothing cloth for detect protective clothing cloth's blood penetrability, a serial communication port, test equipment include the frame, install in the control module of frame, supply liquid device and testing arrangement, the frame include work platform and install in work platform's carriage, testing arrangement sliding connection in the carriage, control module with supply the liquid device electricity to be connected, testing arrangement includes that base, supporting network, lid are located the top cap and the locking of base are connected the base with the locking Assembly of top cap, the supporting network is made by metal material, the base be provided with the test chamber of recess form and with the inlet channel of test chamber intercommunication, the supporting network panel is located the opening part in test chamber, supply liquid device with inlet channel connects for to test intracavity transport test liquid, the pressure of the test liquid is adjusted according to the control instruction of the control module, the support net is used for supporting the protective clothing cloth pushed by the liquid, and the protective clothing cloth is clamped between the top cover and the base.
2. The test apparatus of claim 1, wherein the top cover is provided with a viewing portion corresponding to the test chamber, the viewing portion is made of a transparent material, and the support net is disposed opposite to the viewing portion.
3. The test apparatus according to claim 1, wherein the base includes a main body portion and a flange portion protruding from an outer peripheral wall of the main body portion, one side surface of the flange portion is flush with an end surface of one end of the main body portion, and the opening of the test chamber is located at the other end of the main body portion.
4. The test apparatus of claim 1, wherein the testing device further comprises a connection frame connected to the base and a clamping frame slidably connected to the connection frame, the clamping frame slidably connected to the sliding frame and clamp-locked to the sliding frame.
5. The test apparatus of claim 1, wherein the test device further comprises a drain assembly mounted to the base, the drain assembly being in communication with the test chamber, the frame including a waste collector, the drain assembly being located above the waste collector.
6. The testing apparatus of claim 1, wherein an end of the locking assembly extends out of the base, the rack further comprising a mounting assembly mounted to the work platform, the locking assembly being removably attached to the mounting assembly when the testing device is mounted to the mounting assembly.
7. The test equipment as claimed in claim 6, wherein the disassembling and assembling component comprises a disassembling plate fixedly connected to the working platform, the disassembling plate comprises two or more spacing grooves distributed at intervals, the base is abutted and attached to the disassembling plate, and the locking component is correspondingly inserted into the spacing grooves.
8. The test apparatus of claim 1, wherein the liquid supply device comprises a pressure regulating assembly, a pressure reducing valve connected to the pressure regulating assembly, and an air source assembly connected to the pressure reducing valve, the pressure regulating assembly being connected to the liquid inlet channel.
9. The test apparatus of claim 8, wherein the liquid supply device comprises a pressure sensor connected to the pressure regulating assembly, the pressure sensor being located at an output of the pressure regulating assembly for detecting a pressure of the liquid output by the pressure regulating assembly.
10. The test apparatus of claim 1, wherein the control module comprises a circuit board and a display assembly coupled to the circuit board, the circuit board being mounted within the rack, the rack comprising a mounting bracket positioned above the work platform, the display assembly being mounted to the mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143064.7U CN214251937U (en) | 2020-12-23 | 2020-12-23 | Blood penetrability test equipment for protective clothing cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143064.7U CN214251937U (en) | 2020-12-23 | 2020-12-23 | Blood penetrability test equipment for protective clothing cloth |
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| CN214251937U true CN214251937U (en) | 2021-09-21 |
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| CN202023143064.7U Active CN214251937U (en) | 2020-12-23 | 2020-12-23 | Blood penetrability test equipment for protective clothing cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730193A (en) * | 2020-12-23 | 2021-04-30 | 宁波大禾仪器有限公司 | Blood penetrability test equipment for protective clothing cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730193A (en) * | 2020-12-23 | 2021-04-30 | 宁波大禾仪器有限公司 | Blood penetrability test equipment for protective clothing cloth |
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