CN211148372U - Infiltration homogeneity testing arrangement - Google Patents

Infiltration homogeneity testing arrangement Download PDF

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Publication number
CN211148372U
CN211148372U CN201922084265.5U CN201922084265U CN211148372U CN 211148372 U CN211148372 U CN 211148372U CN 201922084265 U CN201922084265 U CN 201922084265U CN 211148372 U CN211148372 U CN 211148372U
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China
Prior art keywords
liquid
test piece
water seepage
marshall test
liquid injection
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Expired - Fee Related
Application number
CN201922084265.5U
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Chinese (zh)
Inventor
朱建明
徐浩然
周灵鹏
刘鹏
郑贺楠
凌俊东
唐玉俊
李欢欢
贺新龙
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China Railway 11th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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China Railway 11th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 11th Bureau Group Co Ltd
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Abstract

The utility model provides a water seepage uniformity testing device, which relates to the technical field of pavement water seepage testing devices and comprises a liquid injection part, a containing part and a collecting part, because the accommodating part is internally provided with the accommodating cavity for placing the Marshall test piece, the liquid injection part is arranged on the Marshall test piece, the liquid injection part can be hermetically connected with the Marshall test piece, so that the liquid in the liquid injection part permeates into the accommodating cavity through the Marshall test piece, and because one end of the side wall of the accommodating part, which is close to the bottom surface, is provided with a plurality of liquid outlet pipes communicated with the accommodating cavity, the plurality of liquid outlet pipes are annularly arranged around the accommodating part, different liquid outlet pipes correspond to different water seepage directions of liquid on the Marshall test piece, the plurality of collecting parts are correspondingly arranged at the liquid outlet parts of the plurality of liquid outlet pipes, by comparing the amount of liquid in the collecting parts, the water seepage uniformity in the horizontal plane of the Marshall test piece can be correspondingly measured.

Description

Infiltration homogeneity testing arrangement
Technical Field
The utility model belongs to the technical field of the road surface infiltration testing arrangement technique and specifically relates to a infiltration homogeneity testing arrangement is related to.
Background
With the increase of the paving mileage of the expressway and the improvement of the paving technology in China, the large-gap drainage asphalt pavement is widely popularized and applied in China with excellent safety performance and noise reduction performance, wherein the water seepage coefficient or the water seepage performance of the asphalt pavement is an important index for evaluating the quality of the asphalt pavement.
At present, a pavement water seepage instrument is mostly used for directly carrying out water seepage tests on an asphalt pavement or a Marshall test piece made of an asphalt mixture, liquid level scales in the water seepage instrument are read once every 60s, and finally, a water seepage coefficient is calculated through a related formula.
However, the existing test device aims at the liquid permeation in the longitudinal direction of the asphalt pavement (the direction perpendicular to the pavement), and cannot effectively evaluate the uniformity of the liquid permeation in the transverse direction of the asphalt pavement (the direction parallel to the pavement).
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a infiltration homogeneity testing arrangement to the testing arrangement who has alleviated among the prior art can not effectively evaluate the technical problem of liquid along the horizontal infiltration homogeneity of bituminous paving.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a water seepage uniformity testing device, which comprises a liquid injection part, a containing part and a collecting part;
the accommodating part is internally provided with an accommodating cavity for placing a Marshall test piece, the liquid injection part is arranged on the Marshall test piece and can be hermetically connected with the Marshall test piece, so that liquid in the liquid injection part is infiltrated into the accommodating cavity through the Marshall test piece;
the lateral wall of holding portion and the one end that is close to the bottom surface be provided with a plurality of drain pipes of holding chamber intercommunication, it is a plurality of the drain pipe winds holding portion annular is arranged, and is a plurality of the collection portion corresponds and sets up in a plurality of the liquid outlet department of drain pipe is in order to collect drain pipe exhaust liquid.
Further, it is a plurality of the drain pipe includes first communicating pipe, second communicating pipe, third communicating pipe and fourth communicating pipe, first communicating pipe the second communicating pipe third communicating pipe and fourth communicating pipe encircle holding portion arranges.
Furthermore, the included angle between the straight lines of any two adjacent liquid outlet pipes is set to be 90 degrees.
Further, the liquid injection part comprises a liquid injection end and a sealing end;
the liquid injection end is connected and communicated with the sealing end, the sealing end is connected with the Marshall test piece in a sealing mode, and the inner diameter of the sealing end is larger than that of the liquid injection end.
Further, the sealing end is arranged in a funnel shape.
Furthermore, the liquid injection end is provided with a scale value for reading the volume of the liquid in the liquid injection part.
Further, the collecting part includes a collector;
the collector is arranged at the liquid outlet of the liquid outlet pipe.
Further, the collector is arranged on the device for reading the scale value of the liquid volume.
Furthermore, the water seepage uniformity testing device also comprises a supporting table;
the accommodating portion is disposed on the support table.
Further, the liquid injection part is set as a road surface water seepage instrument;
the road surface infiltration appearance set up in on the marshall test piece, just the base of road surface infiltration appearance with marshall test piece sealing connection.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
the utility model provides a seepage uniformity testing device, which comprises a liquid injection part, a containing part and a collecting part; because the accommodating part is internally provided with the accommodating cavity for placing the Marshall test piece, the liquid injection part is arranged on the Marshall test piece, the liquid injection part is hermetically connected with the Marshall test piece, so that the liquid in the liquid injection part permeates into the accommodating cavity through the Marshall test piece, and because one end of the side wall of the accommodating part, which is close to the bottom surface, is provided with a plurality of liquid outlet pipes communicated with the accommodating cavity, the liquid outlet pipes are annularly arranged around the accommodating part, different liquid outlet pipes correspond to different water seepage directions of liquid on the Marshall test piece, the collection parts are correspondingly arranged at the liquid outlet parts of the liquid outlet pipes, and by comparing the amount of the liquid in the collection parts, the test device can correspondingly measure the water seepage uniformity in the horizontal plane of the Marshall test piece, relieves the technical problem that the test device in the prior art cannot effectively evaluate the uniformity of the liquid transversely permeating along the asphalt pavement, has simple integral structure, and is convenient for testing the uniformity of the liquid transversely permeating along the asphalt pavement.
Drawings
For a clear explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a water seepage uniformity testing device provided in an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides a infiltration homogeneity testing arrangement's top view.
Icon: 100-an injection part; 110-a liquid injection end; 120-sealed end; 200-a receptacle; 300-a collecting section; 400-an accommodating cavity; 500-marshall test pieces; 600-a liquid outlet pipe; 610-first connectivity; 620-second communication tube; 630-a third communication tube; 640-a fourth communication pipe; 700-support table.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 and 2, the present embodiment provides a water seepage uniformity testing apparatus, which includes a liquid injection part 100, a containing part 200 and a collecting part 300; the accommodating part 200 is internally provided with an accommodating cavity 400 for accommodating the Marshall test piece 500, the liquid injection part 100 is arranged on the Marshall test piece 500, and the liquid injection part 100 can be hermetically connected with the Marshall test piece 500, so that liquid in the liquid injection part 100 permeates into the accommodating cavity 400 through the Marshall test piece 500; a plurality of liquid outlet pipes 600 communicated with the accommodating cavity 400 are arranged at one end of the side wall of the accommodating part 200 and close to the bottom surface, the plurality of liquid outlet pipes 600 are annularly arranged around the accommodating part 200, and the plurality of collecting parts 300 are correspondingly arranged at the liquid outlet parts of the plurality of liquid outlet pipes 600 to collect liquid discharged from the liquid outlet pipes 600.
Specifically, the accommodating part 200 can be configured as a plastic barrel, a glass cup, etc., an accommodating cavity 400 is arranged in the accommodating part 200, on one hand, the accommodating cavity 400 is used for placing a marshall test piece 500, in the embodiment, the marshall test piece 500 is configured as a cylinder, the porosity of the marshall test piece 500 is set to be about 10%, the marshall test piece 500 is commonly called a large-pore marshall test piece 500, specifications such as the height and the diameter of the marshall test piece 500 can be selected according to requirements or related standards, and on the other hand, the accommodating cavity 400 is used for accommodating liquid which is permeated into the accommodating part 200 through the marshall test; the liquid injection part 100 can be set as a water seepage meter or a liquid injection pipe, the liquid injection part 100 is set on the marshall test piece 500, the top of the marshall test piece 500 is coated with annular glass cement or other sealant, the annular outline at the bottom of the liquid injection part 100 is hermetically connected with the marshall test piece 500 through the glass cement or other sealant, and liquid in the liquid injection part 100 is prevented from flowing out from a gap between the liquid injection part 100 and the marshall test piece 500 without permeating into the marshall test piece 500.
A plurality of liquid outlet pipes 600 communicated with the accommodating cavity 400 are arranged on the side wall of the accommodating part 200, the heights of the liquid outlet pipes 600 are set to be equal, that is, the liquid outlet pipes 600 are arranged in the same horizontal plane, preferably, the plane where the liquid outlet pipes 600 are located is coincident with the bottom surface of the accommodating part 200, so that the liquid infiltrated into the accommodating cavity 400 through the marshall test piece 500 is respectively discharged from the liquid outlet pipes 600, and the liquid is prevented from being gathered on the bottom surface of the accommodating part 200; in addition, the plurality of liquid outlet pipes 600 are annularly arranged around the accommodating part 200, as an optional embodiment of the present embodiment, preferably, included angles between any two adjacent liquid outlet pipes 600 are set to be equal, liquid permeates along the transverse direction of the marshall test piece 500, the liquid permeating through different permeation directions is discharged from different liquid outlet pipes 600 into different collecting parts 300, the collecting parts 300 can be set to be glass cups, liquid collecting bottles, measuring cylinders and the like, the volumes of the liquid in the plurality of collecting parts 300 are quantified by visual comparison or by means of an external tool, and then the uniformity of the liquid permeating along the transverse direction of the marshall test piece 500 can be scientifically evaluated according to a related formula.
In the water seepage uniformity testing device provided by this embodiment, the accommodating chamber 400 for placing the marshall test piece 500 is arranged in the accommodating portion 200, the liquid injection portion 100 is arranged on the marshall test piece 500, and the liquid injection portion 100 is hermetically connected with the marshall test piece 500, so that the liquid in the liquid injection portion 100 permeates into the accommodating chamber 400 through the marshall test piece 500, and because the plurality of liquid outlet pipes 600 communicated with the accommodating chamber 400 are arranged at one end of the side wall of the accommodating portion 200 near the bottom surface, and the plurality of liquid outlet pipes 600 are annularly arranged around the accommodating portion 200, different liquid outlet pipes 600 correspond to different water seepage directions of the liquid on the marshall test piece 500, the plurality of collecting portions 300 are arranged at the liquid outlet of the plurality of liquid outlet pipes 600, by comparing the amount of the liquid in the plurality of collecting portions 300, the water seepage uniformity in the horizontal plane of the marshall test piece 500 can be correspondingly measured, thereby alleviating the technical problem that the testing device in the prior art cannot effectively evaluate the horizontal seepage uniformity of the liquid along the asphalt pavement, overall structure is simple, is convenient for test the homogeneity of liquid along the horizontal infiltration of bituminous paving.
On the basis of the foregoing embodiment, further, the plurality of liquid outlet pipes 600 in the water seepage uniformity testing apparatus provided by the present embodiment include a first communicating pipe 610, a second communicating pipe 620, a third communicating pipe 630 and a fourth communicating pipe 640, and the first communicating pipe 610, the second communicating pipe 620, the third communicating pipe 630 and the fourth communicating pipe 640 are annularly arranged around the accommodating portion 200.
Specifically, as an optional implementation manner of this embodiment, the liquid outlet pipes 600 are provided in a plurality of numbers, preferably, the liquid outlet pipes 600 are provided in four numbers, that is, the liquid outlet pipes 600 are provided in a first communicating pipe 610, a second communicating pipe 620, a third communicating pipe 630 and a fourth communicating pipe 640, heights of the four liquid outlet pipes 600 on the accommodating portion 200 are set to be equal, that is, the four liquid outlet pipes 600 are located in the same horizontal plane, and a plane where the four liquid outlet pipes 600 are located coincides with a bottom surface of the accommodating portion 200. Correspondingly, four collecting parts 300 are also provided, and four collecting parts 300 are correspondingly provided at the liquid outlets of the four liquid outlet pipes 600.
Further, the included angle between the straight lines of any two adjacent liquid outlet pipes 600 is set to be 90 degrees.
Specifically, as an optional implementation manner of this embodiment, an included angle between two adjacent liquid outlet pipes 600 may be flexibly set, and preferably, an included angle between axes of any two adjacent liquid outlet pipes 600 is set to be 90 °. The liquid infiltrated into the accommodating chamber 400 is drained through the four liquid outlet pipes 600 to evaluate the water infiltration uniformity of the liquid in the transverse four directions of the marshall test piece 500.
As another implementation manner of this embodiment, six liquid outlet pipes 600 are provided, six liquid outlet pipes 600 are located in the same horizontal plane, the plane where the six liquid outlet pipes 600 are located coincides with the bottom surface of the accommodating portion 200, the included angle between any two adjacent liquid storage strands is set to be 60 °, and the number of the corresponding collecting portions 300 is also set to be six. In addition, the number of the liquid outlet pipes 600 is not limited to the above limitation, and the number of the liquid outlet pipes 600 can be reasonably selected according to the requirement of the test.
In the water seepage uniformity testing device provided by the embodiment, the number of the liquid outlet pipes 600 is four, and the included angle between any two adjacent liquid outlet pipes 600 is equal, so that the water seepage uniformity of liquid in four transverse directions of the marshall test piece 500 is tested, and the operation is facilitated.
On the basis of the above embodiment, further, the liquid injection part 100 in the water seepage uniformity testing device provided by the present embodiment includes a liquid injection end 110 and a sealing end 120; the injection end 110 is connected and communicated with the sealing end 120, the sealing end 120 is connected with the Marshall test piece 500 in a sealing mode, and the inner diameter of the sealing end 120 is larger than that of the injection end 110.
Specifically, the liquid injection end 110 is a cylindrical glass tube, the sealing end 120 is a cylindrical or inverted funnel-shaped end, the liquid injection end 110 is connected with the sealing end 120, preferably, the liquid injection end 110 and the sealing end 120 are integrally formed, the bottom contour of the sealing end 120 is fixed on the top surface of the marshall test piece 500 through a sealant, and the bottom inner diameter of the sealing end 120 is larger than the inner diameter of the liquid injection end 110, so that the contact area between the sealing end and the marshall test piece 500 is increased, and the uniform diffusion of liquid in the marshall test piece 500 is facilitated.
Further, the sealing end 120 is configured as a funnel.
Specifically, the sealing end 120 is arranged in an inverted funnel-shaped structure, the liquid injection end 110 is connected with the top of the funnel, and the bottom diameter of the funnel is larger than the inner diameter of the liquid injection end 110, so that the contact area between the liquid injection end and the Marshall test piece 500 is increased.
Further, the liquid injection end 110 is provided with a scale value for reading the volume of the liquid in the liquid injection part 100.
Specifically, the liquid injection end 110 is provided with 0-1000ml of scale marks, and the volume of the liquid in the liquid injection end 110 can be conveniently read through the scale marks.
In addition, the injection end 110 may be provided with a control valve, the control valve is disposed at the bottom of the injection end 110, and the control valve is used for controlling the liquid in the injection end 110 to enter the sealing end 120.
Further, the collecting part 300 includes a collector; the collector is arranged at the liquid outlet of the liquid outlet pipe 600.
Specifically, the collector can set up to receiving container such as glass cup, glass bottle, and the quantity of collector and drain pipe 600 set up to equal to the corresponding liquid of collecting through drain pipe 600 exhaust. The uniformity of the liquid permeating along the transverse direction of the Marshall test piece 500 can be preliminarily judged by visually observing the amount of the liquid in the plurality of collectors; the volume of the liquid in the collector is quantified by other tools, and then the uniformity of the liquid permeating along the transverse direction of the Marshall test piece 500 can be evaluated more scientifically through calculation of related formulas.
Further, the collector is arranged on the device for reading the scale value of the liquid volume.
Specifically, the collector is provided with 0-300ml of scale marks, and the volume of the liquid in the collector can be conveniently read through the scale marks.
The specific scientific calculation method comprises the following steps of pouring 1000ml of water into the liquid injection end 110, enabling the water in the liquid injection end 110 to penetrate into the Marshall test piece 500 through the sealing end 120, finally enabling the water to enter the accommodating cavity 400 and be discharged into the four collectors from the four liquid outlet pipes 600, and after the liquid is fully penetrated, reading scale values on the collectors to obtain the volumes A of the liquid in the four collectors1、A2、A3And A4In the device for testing the water seepage uniformity provided by this embodiment, the average value is taken,
Figure BDA0002289730490000091
further calculating the mean square error according to the average value A
Figure BDA0002289730490000092
When the mean square error S is larger than or equal to 500, the transverse water seepage of the large-gap Marshall test piece 500 is uneven, and when the mean square error S is smaller than or equal to 500, the transverse water seepage of the large-gap Marshall test piece 500 is even.
The water seepage uniformity testing device provided by the embodiment has the advantages that the funnel-shaped sealing end 120 increases the contact area with the Marshall test piece 500, so that the liquid permeates into the Marshall test piece 500 more uniformly, and the measurement result is more accurate. The collected liquid volume value is conveniently read through the scale value on the collector, and then the calculation is carried out through the related formula, so that the scientificity of the evaluation on the transverse penetration uniformity of the liquid along the Marshall test piece 500 is improved.
On the basis of the foregoing embodiment, further, the water seepage uniformity testing apparatus in the water seepage uniformity testing apparatus provided in this embodiment further includes a supporting table 700; the accommodating portion 200 is provided on the support table 700.
Specifically, the supporting platform 700 may be a supporting platform made of concrete or other materials, the accommodating portion 200 is placed on the supporting platform, and the accommodating portion 200 is elevated to facilitate placement of the collecting portion 300, and the collecting portions 300 are arranged around the supporting platform 700.
Further, the liquid injection part 100 is set as a road surface water seepage meter; the pavement water seepage instrument is arranged on the Marshall test piece 500, and the base of the pavement water seepage instrument is hermetically connected with the Marshall test piece 500.
Specifically, the liquid injection portion 100 in this embodiment is set up to the road surface infiltration appearance, and the road surface infiltration appearance mainly includes graduated flask, hanging wall, takeover and base, and the graduated flask is installed on the hanging wall, connects through the stand between hanging wall and the base, and the takeover setting is between graduated flask and base, and the one end of connecting pipe and the bottom of graduated flask communicate, and the bottom surface of base is provided with the recess, and the other end of connecting pipe passes in the base stretches into the recess, is provided with the stainless steel valve on the takeover, and the base passes through sealed glue and marshall test piece 500 sealing connection.
According to the water seepage uniformity testing device provided by the embodiment, the height of the accommodating part 200 is heightened through the supporting table 700, so that the collection part 300 is convenient to place, and the use of an operator is more convenient; the liquid injection part 100 is set as a road surface water seepage instrument, so that the road surface water seepage instrument is low in manufacturing cost, easy to obtain and convenient to operate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a infiltration homogeneity testing arrangement which characterized in that includes: the liquid injection part, the accommodating part and the collecting part;
the accommodating part is internally provided with an accommodating cavity for placing a Marshall test piece, the liquid injection part is arranged on the Marshall test piece and can be hermetically connected with the Marshall test piece, so that liquid in the liquid injection part is infiltrated into the accommodating cavity through the Marshall test piece;
the lateral wall of holding portion and the one end that is close to the bottom surface be provided with a plurality of drain pipes of holding chamber intercommunication, it is a plurality of the drain pipe winds holding portion annular is arranged, and is a plurality of the collection portion corresponds and sets up in a plurality of the liquid outlet department of drain pipe is in order to collect drain pipe exhaust liquid.
2. The water seepage uniformity testing device as claimed in claim 1, wherein the plurality of liquid outlet pipes comprise a first communicating pipe, a second communicating pipe, a third communicating pipe and a fourth communicating pipe, and the first communicating pipe, the second communicating pipe, the third communicating pipe and the fourth communicating pipe are annularly arranged around the accommodating part.
3. The water seepage uniformity testing device as claimed in claim 2, wherein the included angle between the straight lines of any two adjacent liquid outlet pipes is set to be 90 °.
4. The water seepage uniformity testing device as claimed in claim 1, wherein the liquid injection part comprises a liquid injection end and a sealing end;
the liquid injection end is connected and communicated with the sealing end, the sealing end is connected with the Marshall test piece in a sealing mode, and the inner diameter of the sealing end is larger than that of the liquid injection end.
5. The water seepage uniformity testing device as claimed in claim 4, wherein the sealing end is arranged in a funnel shape.
6. The water seepage uniformity testing device as claimed in claim 4, wherein the liquid injection end is provided with a scale value for reading the volume of the liquid in the liquid injection part.
7. The water seepage uniformity testing device as claimed in claim 1, wherein the collecting part comprises a collector;
the collector is arranged at the liquid outlet of the liquid outlet pipe.
8. The water seepage uniformity testing device of claim 7, wherein the collector is disposed on the device for reading the scale value of the liquid volume.
9. The water seepage uniformity testing device of claim 1, wherein the water seepage uniformity testing device further comprises a support platform;
the accommodating portion is disposed on the support table.
10. The water seepage uniformity testing device as claimed in claim 1, wherein the liquid injection part is provided as a road surface water seepage meter;
the road surface infiltration appearance set up in on the marshall test piece, just the base of road surface infiltration appearance with marshall test piece sealing connection.
CN201922084265.5U 2019-11-26 2019-11-26 Infiltration homogeneity testing arrangement Expired - Fee Related CN211148372U (en)

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CN201922084265.5U CN211148372U (en) 2019-11-26 2019-11-26 Infiltration homogeneity testing arrangement

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Application Number Priority Date Filing Date Title
CN201922084265.5U CN211148372U (en) 2019-11-26 2019-11-26 Infiltration homogeneity testing arrangement

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