CN210243431U - Migration test pool cover plate structure - Google Patents

Migration test pool cover plate structure Download PDF

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Publication number
CN210243431U
CN210243431U CN201920622276.1U CN201920622276U CN210243431U CN 210243431 U CN210243431 U CN 210243431U CN 201920622276 U CN201920622276 U CN 201920622276U CN 210243431 U CN210243431 U CN 210243431U
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China
Prior art keywords
cover plate
sealing
groove
upper cover
migration test
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CN201920622276.1U
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Chinese (zh)
Inventor
Zhennian Han
韩贞年
Xiaofu Zhao
赵晓甫
Xiaoxiao Liu
刘肖肖
Jing Lei
雷婧
Chang Chen
陈畅
Hui Zhao
赵慧
Yun Hou
侯云
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Hebei Province Environmental Protection Product Quality Supervision And Inspection Institute
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Hebei Province Environmental Protection Product Quality Supervision And Inspection Institute
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Abstract

The utility model provides a migration test pond apron structure belongs to food detection device technical field, including upper cover plate, lower apron, spacing subassembly, seal assembly and clamping component, all be equipped with the recess on upper cover plate and the lower apron, the cavity body that encloses is used for placing the partition wall, and on the spacing subassembly set up the lower apron, the installation and the spacing of the partition wall that are applicable to different specifications, seal assembly had played the double seal effect to the partition wall, the sealing performance of the food liquid that the reinforcing awaits measuring. The utility model provides a pair of migration test pool cover plate structure has the upper cover plate and laps between sealing performance good down, connects more stably, and the installation is simpler with the dismantlement, is fit for installing the partition wall of different diameters and uses, and is reliable to food liquid test result, improves efficiency of software testing, and clamping component and sealing component have improved the sealing performance and the test effect of the food liquid that awaits measuring, have satisfied the test demand of the food liquid that awaits measuring.

Description

Migration test pool cover plate structure
Technical Field
The utility model belongs to the technical field of the food detection device, more specifically say, relate to a migration test pond apron structure.
Background
In the national food safety standard, the evaluation of safety and sanitation conformity of food contact materials is mainly performed by a simulated migration test, which is generally performed in a migration test tank, however, the existing migration test tank generally consists of an upper cover plate, a lower cover plate (base) and a partition wall, and a clamping mechanism is further provided between the upper cover plate and the lower cover plate for clamping the upper cover plate and the lower cover plate for the test. The apron of current migration test cell is ordinary platelike body usually, can only play the effect that compresses tightly the division wall, the function is more single, only be suitable for the division wall of single specification, in carrying out the experimentation to food contact material, because treat that the experimental material is different, the specification size of the division wall of use is different, then need form a complete set to use the apron of different specification sizes, current apron can not adapt to the division wall of multiple specification or model, lead to the apron of different specifications that needs often to be changed, it is time-consuming and hard, and the sealing performance of apron is not good in the experimentation, influence the test effect of the food contact material of waiting to test easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a migration test pond apron structure to the apron function singleness that exists among the solution prior art, often change the apron and waste time and energy, technical problem that sealing performance is not good.
In order to achieve the above object, the utility model adopts the following technical scheme: a cover plate structure of a migration test pool is provided for clamping a partition wall, which comprises
The end face of the upper cover plate is provided with a cylindrical first groove, and the upper cover plate is provided with a through hole for injecting food liquid to be detected into the isolation wall;
the lower cover plate is in contact with the upper cover plate, a cylindrical second groove is formed in the end face of the lower cover plate, and the second groove is opposite to the first groove;
the limiting assembly is annular and used for placing partition walls with different diameters, is circumferentially attached to the inner side wall of the second groove, and is smaller than the depth of the second groove in thickness;
the sealing assembly comprises a first sealing ring arranged on the outer side of the lower cover plate and a second sealing ring arranged on the edge of the upper cover plate;
the clamping assembly comprises a tension rod hinged with the outer side of the upper cover plate and a fixed seat fixedly arranged on the outer side of the lower cover plate; the tightening rod is fastened with the fixed seat and used for locking the upper cover plate and the lower cover plate.
Further, the cover plate structure of the migration test pool further comprises a rotating mechanism, the rotating mechanism is used for rotatably connecting the upper cover plate and the lower cover plate, and the rotating mechanism comprises
The annular bulge is arranged on the outer side of the first groove;
the annular groove is arranged between the second groove and the first sealing ring, a plurality of balls are arranged in the annular groove, and the annular bulge is opposite to the annular groove and in rolling contact with the balls.
Furthermore, the parts of the annular protrusions, which are in contact with the plurality of balls, are in an inward concave arc shape.
Furthermore, the cross section of the limiting component is in a step shape, and the limiting component is detachably connected with the second groove.
Furthermore, a first sealing groove is formed in the lower cover plate and used for placing the first sealing ring, and the thickness of the first sealing ring is larger than the depth of the first sealing groove.
Furthermore, the inner side and the outer side of the corner of the upper cover plate are both provided with a second sealing groove, the second sealing groove is used for placing a second sealing ring, and the second sealing ring is a special-shaped sealing ring.
Furthermore, the tensioning rod is an elastic pull rod, and a spring part is arranged in the middle of the elastic pull rod.
Furthermore, a sealing cover which is detachably connected is arranged in the through hole and used for sealing the food liquid to be detected.
Furthermore, a plurality of handles are arranged on the upper end face of the upper cover plate.
Furthermore, a plurality of adjustable supports are circumferentially arranged at the bottom end of the lower cover plate, each adjustable support comprises a sleeve, one end of each adjustable support is fixedly arranged at the bottom end of the lower cover plate, and each adjustable support is provided with an internal thread;
and the adjusting screw is sleeved in the sleeve and is in threaded connection with the sleeve.
The utility model provides a pair of migration test pond apron structure's beneficial effect lies in: compared with the prior art, the cover plate structure of the migration test pool of the utility model can lock the upper cover plate and the lower cover plate together through the clamping component, the separation wall can be placed in the space of the first groove and the second groove, three separation walls with different specifications can be placed through the limiting component and can limit the separation wall, the sealing component comprises two sealing structures, the upper cover plate and the lower cover plate can be sealed, the sealing performance is ensured, the cover plate structure of the migration test pool can complete the test of the food liquid to be tested, the sealing effect is good, the technical problems that the cover plate function is single, the cover plate is time-consuming and labor-consuming to change frequently and the sealing performance is poor in the prior art are solved, the sealing performance between the upper cover plate and the lower cover plate is good, the connection is stable, the installation and the disassembly are simple, the cover plate structure is suitable for installing the separation walls with different diameters, the test result of the food liquid is reliable, the testing efficiency is improved, the sealing performance and the testing effect of the food liquid to be tested are improved by the clamping assembly and the sealing assembly, and the testing requirement of the food liquid to be tested is met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic cross-sectional structural view of a cover plate structure of a migration testing pool according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a cover plate structure of a migration testing tank according to an embodiment of the present invention;
fig. 3 is a schematic view of a locking state of an upper cover plate and a lower cover plate of a migration testing pool cover plate structure according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
Wherein, in the figures, the respective reference numerals: 1. an upper cover plate; 11. a first groove; 12. a through hole; 13. a second seal groove; 14. sealing the cover; 15. a handle; 2. a lower cover plate; 21. a second groove; 22. a first seal groove; 23. an adjustable support; 231. a sleeve; 232. adjusting screws; 3. a limiting component; 4. a seal assembly; 41. a first seal ring; 42. a second seal ring; 5. a clamping assembly; 51. a tension bar; 52. a fixed seat; 53. a spring member; 6. a rotating mechanism; 61. an annular projection; 62. an annular groove; 63. and a ball.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a cover plate structure of a migration testing tank according to an embodiment of the present invention will now be described. The cover plate structure of the migration test pool comprises an upper cover plate 1, a lower cover plate 2, a limiting assembly 3, a sealing assembly 4 and a clamping assembly 5;
a cylindrical first groove 11 is arranged on one side end face of the upper cover plate 1, and a through hole 12 is arranged on the upper cover plate 1 and used for injecting food liquid to be detected into the isolation wall; the upper cover plate 1 is used for plugging the upper end surface of the partition wall, and food liquid to be tested can be filled into the partition wall through the through hole 12 on the upper cover plate 1, so that a migration test can be carried out;
the lower cover plate 2 is contacted with the upper cover plate 1, a cylindrical second groove 21 is arranged on the end face, and the second groove 21 is opposite to the first groove 11; the lower cover plate 2 is used for plugging the lower end face of a separation wall, the separation wall is placed in a cavity body enclosed by the first groove 11 and the second groove 21, the edge of the upper cover plate 1 is in frictional contact connection with the edge of the lower cover plate 2, and the middle part of the upper cover plate is used for placing the separation wall;
the limiting component 3 is annular and used for placing partition walls with different diameters, and is circumferentially attached to the inner side wall of the second groove 21, and the thickness of the limiting component 3 is smaller than the depth of the second groove 21; through spacing subassembly 3, the division wall is adjustable in the cavity body that first recess 11 and second recess 21 enclose to can reach spacing effect, guarantee that the division wall is not slipped off at the test in-process, guarantee test effect. In addition, spacing subassembly 3 also is applicable to the partition wall of multiple different specifications and uses, can satisfy the experimental demand of different specifications food liquid with this apron structure.
The sealing assembly 4 comprises a first sealing ring 41 arranged on the outer side of the lower cover plate 2 and a second sealing ring 42 arranged at the edge of the upper cover plate 1; this seal assembly 4 is twice seal structure, has played double seal to guarantee sealed effect and test effect. The first sealing ring 41 can seal the gap between the upper cover plate 1 and the lower cover plate 2, and the second sealing ring 42 is disposed at the edge of the upper cover plate 1 for closing the circumferential edge gap between the upper cover plate 1 and the lower cover plate 2.
The clamping assembly 5 comprises a tension rod 51 hinged with the outer side of the upper cover plate 1 and a fixed seat 52 fixedly arranged on the outer side of the lower cover plate 2; the tightening rod 51 is fastened to the fixing seat 52 for locking the upper cover plate 1 and the lower cover plate 2. The tightening rod 51 can be dismantled with apron 2 down and be connected, when the division wall is placed to needs, can open it, installs the division wall after, makes tightening rod 51 and fixing base 52 lock joint, and tightening rod 51 can freely retract and be in taut state, makes upper cover plate 1 and apron 2 be in the tight closed state all the time down, guarantees the sealed effect between upper cover plate 1 and the apron 2 down.
Compared with the prior art, the migration testing pool cover plate structure provided by the embodiment of the utility model has the advantages that the upper cover plate 1 and the lower cover plate 2 can be locked together through the clamping component 5, the separation walls can be placed in the space of the first groove 11 and the second groove 21, the separation walls with three different specifications can be placed through the limiting component 3 and can limit the separation walls, the sealing component 4 comprises two sealing structures, the upper cover plate 1 and the lower cover plate 2 can be sealed, the sealing performance is ensured, the cover plate structure for the migration testing pool can complete the testing of food liquid to be tested, the sealing effect is good, the technical problems that the cover plate function is single, the cover plate is frequently replaced, the time and labor are wasted, the sealing performance is poor are solved, the sealing performance between the upper cover plate 1 and the lower cover plate 2 is good, the connection is stable, the installation and the disassembly are simple, and the installation of the separation walls with different diameters are suitable for use, the testing result of the food liquid is reliable, the testing efficiency is improved, the sealing performance and the testing effect of the food liquid to be tested are improved by the clamping assembly 5 and the sealing assembly 4, and the testing requirement of the food liquid to be tested is met.
The embodiment of the utility model provides a pair of migration test pool cover plate structure, be applied to the test to food contact material, with upper cover plate 1 with 2 crimping of apron down together, the division wall is placed in the cavity that first recess 11 and second recess 21 enclose, such cover plate structure, it is inseparable to connect between upper cover plate 1 and the lower apron 2, compare the apron among the prior art, contact with the division wall respectively, sealing performance has been improved, sealing performance has been guaranteed, the migration test effect to food liquid has been improved, adopt the cover plate structure of this migration test pool to carry out the migration test to food liquid, such connected mode is more stable, can not influence the test result. Through adopting clamping assembly 5 to press from both sides tight sealedly to upper cover plate 1 and apron 2 down, make the up end and the lower terminal surface of division wall be in first recess 11 and second recess 21 respectively, through the through-hole 12 to filling the food liquid that awaits measuring in the division wall, do not produce the space around the division wall, and then guarantee test effect.
As a specific implementation manner of the migration testing pool cover plate structure provided by the embodiment of the present invention, please refer to fig. 1-3, the migration testing pool cover plate structure further includes a rotating mechanism 6 for rotatably connecting the upper cover plate 1 and the lower cover plate 2, the rotating mechanism 6 includes an annular protrusion 61 and an annular groove 62;
the annular bulge 61 is arranged outside the first groove 11; annular protrusion 61 and ball 63 rolling friction contact, when upper cover plate 1 need rotate, can rotate upper cover plate 1, annular protrusion 61 inserts inside annular groove 62, has also played spacing effect equally, makes upper cover plate 1 only rotatory, does not produce the displacement.
An annular groove 62 is formed between the second groove 21 and the first seal ring 41, a plurality of balls 63 are arranged in the annular groove 62, and the annular protrusion 61 is arranged opposite to the annular groove 62 and is in rolling contact with the plurality of balls 63. The slewing mechanism 6 enables after the division wall is installed, in order to enable the gap between the upper cover plate 1 and the division wall and between the division wall and the lower cover plate 2 to be fully sealed, the slewing mechanism 6 needs to be used, the upper cover plate 1 is rotated manually and forcibly, the upper cover plate 1 and the lower cover plate 2 are enabled to keep rotating relatively, thus the gap between the division wall and the upper cover plate 1 or the lower cover plate 2 can be fully sealed, the sealing effect is ensured, after the sealing is finished, the upper cover plate 1 and the lower cover plate 2 are locked and connected together through tensioning of the clamping assembly 5, and meanwhile, the sealing of the division wall is also ensured.
As a specific implementation manner of the cover plate structure of the migration testing pool provided by the embodiment of the present invention, please refer to fig. 1-3, the portion of the annular protrusion 61 contacting with the plurality of balls 63 is an inward concave arc. The structure of the concave arc is in rolling friction contact with the ball 63, so that the contact area between the structure and the ball 63 is increased, the rotation of the upper cover plate 1 is facilitated, and the sealing effect is ensured.
As an embodiment of the present invention provides a concrete implementation manner of a migration test pool cover plate structure, please refer to fig. 1-3, the cross-section of the limiting component 3 is stepped, the limiting component 3 and the second groove 21 can be disassembled and connected. Spacing subassembly 3 is the annular boss that the cross-section is the stairstepping, and the outer wall of spacing subassembly 3 and the inside wall face laminating of second recess 21 also can follow and dismantle in the second recess 21, and the division wall can be placed on spacing subassembly 3, has played the multistage spacing effect of division wall. The division wall can be placed in the bottom of spacing subassembly 3, also can place in the middle part of spacing subassembly 3, still can place at the top of spacing subassembly 3, has played the multistage spacing effect of division wall.
As an embodiment of the present invention provides a concrete implementation manner of migration test pool cover plate structure, please refer to fig. 1-3, be equipped with first sealed recess 22 on the lower cover plate 2, first sealed recess 22 is used for placing first sealing washer 41, the thickness of first sealing washer 41 is greater than the degree of depth of first sealed recess 22. First sealed recess 22 is the annular, and the thickness of first sealing washer 41 will be greater than the degree of depth of first sealed recess 22, just can guarantee that upper cover plate 1 and lower apron 2 contact the back, and upper cover plate 1 can compress tightly first sealing washer 41 to can guarantee sealed effect.
As an embodiment of the present invention provides a concrete implementation manner of migration test pool cover plate structure, please refer to fig. 1-3, the corner inboard and the outside of upper cover plate 1 all are equipped with the sealed recess 13 of second, the sealed recess 13 of second is used for placing the second sealing washer 42, the second sealing washer 42 is special-shaped sealing washer. The second sealing ring 42 has a certain elasticity, and can be clamped inside the second sealing groove 13 or removed from the second sealing groove 13. The second sealing groove 13 is arranged at the edge of the upper cover plate 1, the cross section of the second sealing ring 42 is similar to a T shape, when the upper cover plate 1 and the lower cover plate 2 are locked, the second sealing ring 42 is in contact with the upper cover plate 1 and the lower cover plate 2, the first sealing ring 41 and the second sealing ring 42 act simultaneously, and the sealing effect of double sealing is achieved.
As an embodiment of the present invention, please refer to fig. 1, the tightening rod 51 is an elastic pull rod, and the middle portion of the elastic pull rod is provided with a spring member 53. The spring part 53 can enable the tension rod 51 to be in a tensioned state, and the spring part 53 is a common tension spring and can enable the upper cover plate 1 and the lower cover plate 2 to be kept in a sealed state in a test process.
As an embodiment of the present invention provides a concrete implementation manner of a migration test pool cover plate structure, please refer to fig. 1, be equipped with the closing cap 14 that can dismantle the connection in the through-hole 12, the closing cap 14 is used for the shutoff food liquid that awaits measuring. The through hole 12 is a channel for filling the test liquid into the partition wall, after filling, the through hole 12 is blocked, the sealing cover 14 is in threaded connection with the through hole 12, the through hole 12 can be sealed through rotation of the sealing cover 14, and therefore food liquid is prevented from leaking in a test, and a sealing effect is guaranteed.
As a specific implementation manner of the migration testing pool cover plate structure provided by the embodiment of the present invention, please refer to fig. 1, the upper end surface of the upper cover plate 1 is provided with a plurality of handles 15. The handle 15 is beneficial to manually pulling the upper cover plate 1, and is convenient to take, use and move.
As a specific implementation manner of the cover plate structure of the migration testing pool provided by the embodiment of the present invention, please refer to fig. 1, a plurality of adjustable supports 23 are circumferentially arranged at the bottom end of the lower cover plate 2, and each adjustable support 23 includes a sleeve 231 and an adjusting screw 232;
one end of the sleeve 231 is fixedly arranged at the bottom end of the lower cover plate 2 and is provided with an internal thread; the adjusting screw 232 is sleeved in the sleeve 231 and is in threaded connection with the sleeve 231. Adjusting screw 232 can move in the length direction of sleeve 231 to can realize the effect of apron 2 height under the regulation, adjusting screw 232 and sleeve 231 threaded connection can twist adjusting screw 232 by hand, and adjusting screw 232 leaks in the length of sleeve 231, and then can adjust adjustable support 23's support height.
As the embodiment of the utility model provides a concrete implementation mode of migration test pool cover plate structure is equipped with 4 adjustable support 23 on the apron 2 down, lies in four end angle positions of apron 2 down respectively, can be through adjusting adjustable support 23's height, makes apron 2 down keep steady in the testing process, does not influence the migration test effect of food liquid.
The utility model provides a pair of migration test pond apron structure's installation as follows: firstly, a proper partition wall is selected, the upper cover plate 1 is opened, the partition wall ring is placed in a cavity defined by the upper cover plate 1 and the lower cover plate 2, the partition wall ring can be placed on different layers of the limiting assembly 3 according to the specification and the size of the partition wall, and the upper cover plate 1 and the lower cover plate 2 are locked by the clamping assembly 5, so that the sealing effect of the partition wall is ensured. And opening the through hole 12, filling the food liquid to be tested into the isolation wall, and finally sealing the through hole 12 to perform a migration test. The sealing assembly 4 has a double sealing effect, and is very beneficial to the sealing of the partition wall.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a migration test pond apron structure for centre gripping division wall, its characterized in that: comprises that
The end face of the upper cover plate is provided with a cylindrical first groove, and the upper cover plate is provided with a through hole for injecting food liquid to be detected into the isolation wall;
the lower cover plate is in contact with the upper cover plate, a cylindrical second groove is formed in the end face of the lower cover plate, and the second groove is opposite to the first groove;
the limiting assembly is annular and used for placing partition walls with different diameters, is circumferentially attached to the inner side wall of the second groove, and is smaller than the depth of the second groove in thickness;
the sealing assembly comprises a first sealing ring arranged on the outer side of the lower cover plate and a second sealing ring arranged on the edge of the upper cover plate;
the clamping assembly comprises a tension rod hinged with the outer side of the upper cover plate and a fixed seat fixedly arranged on the outer side of the lower cover plate; the tightening rod is fastened with the fixed seat and used for locking the upper cover plate and the lower cover plate.
2. The migration test cell cover plate structure of claim 1, wherein: the migration test pool cover plate structure further comprises a rotating mechanism, the rotating mechanism is used for rotatably connecting the upper cover plate and the lower cover plate, and the rotating mechanism comprises
The annular bulge is arranged on the outer side of the first groove;
the annular groove is arranged between the second groove and the first sealing ring, a plurality of balls are arranged in the annular groove, and the annular bulge is opposite to the annular groove and in rolling contact with the balls.
3. The migration test cell cover plate structure of claim 2, wherein: the parts of the annular bulges, which are in contact with the plurality of balls, are in an inward concave arc shape.
4. The migration test cell cover plate structure of claim 1, wherein: the cross section of the limiting component is in a step shape, and the limiting component is detachably connected with the second groove.
5. The migration test cell cover plate structure of claim 1, wherein: the lower cover plate is provided with a first sealing groove, the first sealing groove is used for placing the first sealing ring, and the thickness of the first sealing ring is larger than the depth of the first sealing groove.
6. The migration test cell cover plate structure of claim 1, wherein: the inner side and the outer side of the corner of the upper cover plate are respectively provided with a second sealing groove, the second sealing grooves are used for placing second sealing rings, and the second sealing rings are special-shaped sealing rings.
7. The migration test cell cover plate structure of claim 1, wherein: the tensioning rod is an elastic pull rod, and a spring part is arranged in the middle of the elastic pull rod.
8. The migration test cell cover plate structure of claim 1, wherein: the through hole is internally provided with a sealing cover which is detachably connected, and the sealing cover is used for sealing the food liquid to be detected.
9. The migration test cell cover plate structure of claim 1, wherein: the upper end face of the upper cover plate is provided with a plurality of handles.
10. The migration test cell cover plate structure of claim 1, wherein: the bottom circumference of apron is equipped with a plurality of adjustable supports down, adjustable support includes
One end of the sleeve is fixedly arranged at the bottom end of the lower cover plate and is provided with an internal thread;
and the adjusting screw is sleeved in the sleeve and is in threaded connection with the sleeve.
CN201920622276.1U 2019-04-30 2019-04-30 Migration test pool cover plate structure Active CN210243431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920622276.1U CN210243431U (en) 2019-04-30 2019-04-30 Migration test pool cover plate structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920622276.1U CN210243431U (en) 2019-04-30 2019-04-30 Migration test pool cover plate structure

Publications (1)

Publication Number Publication Date
CN210243431U true CN210243431U (en) 2020-04-03

Family

ID=69969758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920622276.1U Active CN210243431U (en) 2019-04-30 2019-04-30 Migration test pool cover plate structure

Country Status (1)

Country Link
CN (1) CN210243431U (en)

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