CN109238943A - A kind of positive press filtration device bacteria particles object interception capacity testing tool - Google Patents
A kind of positive press filtration device bacteria particles object interception capacity testing tool Download PDFInfo
- Publication number
- CN109238943A CN109238943A CN201811210996.3A CN201811210996A CN109238943A CN 109238943 A CN109238943 A CN 109238943A CN 201811210996 A CN201811210996 A CN 201811210996A CN 109238943 A CN109238943 A CN 109238943A
- Authority
- CN
- China
- Prior art keywords
- filtration device
- press filtration
- positive press
- piston
- filtrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000894006 Bacteria Species 0.000 title claims abstract description 64
- 238000001914 filtration Methods 0.000 title claims abstract description 60
- 239000002245 particle Substances 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000011010 flushing procedure Methods 0.000 claims abstract description 37
- 239000000706 filtrate Substances 0.000 claims abstract description 36
- 239000013618 particulate matter Substances 0.000 claims abstract description 36
- 239000007787 solid Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 11
- 239000012491 analyte Substances 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 63
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241000508725 Elymus repens Species 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a kind of positive press filtration device bacteria particles object interception capacity testing tools, including positive press filtration device, the side of the positive press filtration device is fixedly installed with bacterium solution or particulate matter solution push-in mechanism, and the other side of the positive press filtration device is fixedly installed with flushing liquor push-in mechanism.The present invention is pushed into mechanism by bacterium solution or particulate matter solution, the quasi- bacterium trapped particles thing liquid body push-in positive press filtration device that does can be tested, mechanism is pushed by flushing liquor, flushing liquor push-in can be carried out to the test of positive press filtration device bacteria particles object interception capacity, by collecting filtrate mechanism, its filtrate, which enters to ooze by liquid outlet pipe, finally to be instilled in filtrate receiving flask by buffer layer by dropping liquid filter after filtrate layers, the filtrate collection of filter is got up convenient for easy, carry out microorganism detection or particle analyte detection, to assess the interception capacity of filter, be conducive to the use of people.
Description
Technical field
The present invention relates to microorganism detection field of tool, specially a kind of positive press filtration device bacteria particles object interception capacity is surveyed
Trial work tool.
Background technique
Positive press filtration device bacteria particles object interception capacity testing tool is a kind of pair of positive press filtration device bacteria particles object retention
The testing tool of ability, good test effect, there are currently no dedicated equipment to carry out bacterium interception capacity | and particulate matter retains energy
The testing tool of power.
In use, the behaviour of the achievable following form of positive press filtration device bacteria particles object interception capacity testing tool
Make: by the quasi- positive press filtration device for doing the test of bacterium trapped particles object interception capacity, and by the filter liquor of filter, can be used for micro-
Biological detection or particle analyte detection, to assess the interception capacity of filter.
The testing tool of bacterium interception capacity particulate matter interception capacity, existing positive pressure are carried out in no dedicated equipment
Filter bacteria particles object interception capacity testing tool can not provide it is necessary it is quasi- do bacterium trapped particles thing liquid body and tested,
With certain inconvenience, existing positive press filtration device bacteria particles object interception capacity testing tool can not provide necessary flushing liquor
It carries out the test of positive press filtration device bacteria particles object interception capacity, there is certain adverse effect, existing positive press filtration device
Bacteria particles object interception capacity testing tool can not be easy the filtrate collection of filter be got up, carry out microorganism detection or
Particle analyte detection, so that the interception capacity of filter is assessed, for this purpose, it is proposed that a kind of positive press filtration device bacteria particles object retains
Aptitude tests tool.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of positive press filtration device bacteria particles object section
Aptitude tests tool is stayed, the problems in background technique can be effectively solved.
To achieve the above object, the invention provides the following technical scheme: a kind of positive press filtration device bacteria particles object retains energy
Power testing tool, including positive press filtration device, the side of the positive press filtration device are fixedly installed with bacterium solution or particulate matter solution push-in
Mechanism, the other side of the positive press filtration device are fixedly installed with flushing liquor push-in mechanism, the lower end appearance of the positive press filtration device
Face, which is fixedly installed with, collects filtrate mechanism.
1. being used as a preferred technical solution of the present invention, the side setting of the bacterium solution or particulate matter solution push-in mechanism
There is No.1 to enter pipeline, the lower end that the No.1 enters pipeline is fixedly installed with bacterium solution or particulate matter solution example bottle, and described one
The one end for number entering pipeline is provided with No.1 piston head, and it is living that a side external surface of the No.1 piston head is fixedly connected with No.1
Plug, the back end outer surface of the No.1 piston are provided with No.1 piston handle, are arranged between the No.1 piston and No.1 piston handle
There is No.1 baffle, a side external surface of the No.1 piston handle is fixed by No.1 piston and a side external surface of No.1 piston head
Connection.
2. being used as a preferred technical solution of the present invention, the side of flushing liquor push-in mechanism is provided with No. two entrance
Pipeline, described No. two lower ends for entering pipeline are fixedly installed with flushing liquor sample bottle, and described No. two one end for entering pipeline are arranged
There are No. two piston heads, a side external surface of No. two piston heads is fixedly connected with No. two pistons, the rear end of No. two pistons
Outer surface is provided with No. two piston handles, and No. two baffles, No. two work are provided between No. two pistons and No. two piston handles
One side external surface of plug handle is fixedly connected by No. two pistons with a side external surface of No. two piston heads.
3. being used as a preferred technical solution of the present invention, the upper end for collecting filtrate mechanism is provided with liquid outlet pipe,
The lower end outer surface of the liquid outlet pipe, which is fixedly connected with, oozes filtrate layers, and the lower end for oozing filtrate layers is provided with buffering
Layer, the lower end center outer surface of the buffer layer are fixedly connected with dropping liquid filter, and just issuing for the dropping liquid filter is provided with filter
The lower end outer surface of liquid receiving flask, the liquid outlet pipe is fixedly connected by oozing filtrate layers with the upper end of buffer layer, described slow
The lower end center outer surface for rushing layer is fixedly connected with the upper end outer surface of dropping liquid filter.
4. be used as a preferred technical solution of the present invention, the side inner surface of the positive press filtration device offer bacterium solution or
Particulate matter solution inlet, the other side of the positive press filtration device offer flushing liquor inlet, the positive press filtration device it is interior
Portion is fixedly installed with miillpore filter, and the lower end inner surface of the positive press filtration device offers liquid outlet.
5. being used as a preferred technical solution of the present invention, a side external surface of the bacterium solution or particulate matter solution inlet
With bacterium solution or particulate matter solution push-in mechanism a side external surface be fixedly connected, a side external surface of the flushing liquor inlet with
One side external surface of flushing liquor push-in mechanism is fixedly connected, the lower end outer surface of the liquid outlet and the upper end for collecting filtrate mechanism
Outer surface is fixedly connected.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is pushed into mechanism by bacterium solution or particulate matter solution, can will be in bacterium solution or particulate matter solution example bottle
Solution drives No.1 piston and No.1 piston head that its solution is pushed into positive press filtration device by No.1 piston handle and No.1 baffle
Portion provides and necessary quasi- do bacterium trapped particles thing liquid body and tested.
2, the present invention is pushed into mechanism by flushing liquor, can by the solution in flushing liquor sample bottle by No. two piston handles and
No. two baffles drive No. two pistons and No. two piston heads that its solution is pushed into inside positive press filtration device, provide necessary flushing liquor
Carry out the test of positive press filtration device bacteria particles object interception capacity.
3, the present invention is oozed after filtrate layers by liquid outlet pipe entrance by buffer layer by collecting filtrate mechanism, filtrate
It is finally instilled in filtrate receiving flask by dropping liquid filter, the filtrate collection of filter gets up convenient for easy, carry out microorganism
Detection or particle analyte detection, to assess the interception capacity of filter.
Detailed description of the invention
Fig. 1 is agent structure schematic diagram of the invention；
Fig. 2 is the partial structural diagram of positive press filtration device 4 in Fig. 1 of the invention；
Fig. 3 is the partial structural diagram that bacterium solution or particulate matter solution are pushed into mechanism 1 in Fig. 1 of the invention；
Fig. 4 is the partial structural diagram that flushing liquor is pushed into mechanism 2 in Fig. 1 of the invention；
Fig. 5 is the partial structural diagram that filtrate mechanism 3 is collected in Fig. 1 of the invention；
In figure: 1, bacterium solution or particulate matter solution are pushed into mechanism；101, No.1 piston handle；102, No.1 baffle；103, No.1
Piston；104, No.1 piston head；105, bacterium solution or particulate matter solution example bottle；106, No.1 enters pipeline；2, flushing liquor is pushed into
Mechanism；201, No. two piston handles；202, No. two baffles；203, No. two pistons；204, No. two piston heads；205, flushing liquor sample
Bottle；206, No.1 enters pipeline；3, filtrate mechanism is collected；301, dropping liquid filter；302, buffer layer；303, filtrate layers are oozed；
304, liquid outlet pipe；305, filtrate receiving flask；4, positive press filtration device；5, miillpore filter；6, bacterium solution or particulate matter solution inlet；
7, flushing liquor inlet；8, liquid outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of positive press filtration device bacteria particles object interception capacity survey
Trial work tool, including positive press filtration device 4, the side of positive press filtration device 4 are fixedly installed with bacterium solution or particulate matter solution push-in mechanism 1,
The other side of positive press filtration device 4 is fixedly installed with flushing liquor push-in mechanism 2, and the lower end outer surface of positive press filtration device 4 is fixedly mounted
Have and collects filtrate mechanism 3.
Convenient for bacterium solution or particulate matter solution to be pushed into, in the present embodiment, it is preferred that bacterium solution or particulate matter solution are pushed into mechanism
1 side is provided with No.1 and enters pipeline 106, and the lower end that No.1 enters pipeline 106 is fixedly installed with bacterium solution or particulate matter solution
Sample bottle 105, one end that No.1 enters pipeline 106 are provided with No.1 piston head 104, a side external surface of No.1 piston head 104
It is fixedly connected with No.1 piston 103, the back end outer surface of No.1 piston 103 is provided with No.1 piston handle 101, No.1 piston 103
No.1 baffle 102 is provided between No.1 piston handle 101, a side external surface of No.1 piston handle 101 passes through No.1 piston 103
It is fixedly connected with a side external surface of No.1 piston head 104.
Convenient for cleaning solution to be pushed into, in the present embodiment, it is preferred that flushing liquor push-in mechanism 2 side be provided with No. two into
Enter pipeline 206, No. two lower ends for entering pipeline 206 are fixedly installed with flushing liquor sample bottle 205, and No. two enter the one of pipeline 206
End is provided with No. two piston heads 204, and a side external surface of No. two piston heads 204 is fixedly connected with No. two pistons 203, No. two pistons
203 back end outer surface is provided with No. two piston handles 201, and No. two gears are provided between No. two pistons 203 and No. two piston handles 201
One side external surface of plate 202, No. two piston handles 201 is fixed by a side external surface of No. two pistons 203 and No. two piston heads 204
Connection.
Convenient for the filter liquor of de-entrainment filter, in the present embodiment, it is preferred that the upper end for collecting filtrate mechanism 3 is provided with out
Liquid pipe road 304, the lower end outer surface of liquid outlet pipe 304, which is fixedly connected with, oozes filtrate layers 303, oozes the lower end of filtrate layers 303
It is provided with buffer layer 302, the lower end center outer surface of buffer layer 302 is fixedly connected with dropping liquid filter 301, dropping liquid filter 301
It is just issuing and is being provided with filtrate receiving flask 305, the lower end outer surface of liquid outlet pipe 304 is by oozing filtrate layers 303 and buffer layer 302
Upper end be fixedly connected, the lower end center outer surface of buffer layer 302 is fixedly connected with the upper end outer surface of dropping liquid filter 301.
The partial component of positive press filtration device 4 is described, in the present embodiment, it is preferred that the side inner surface of positive press filtration device 4
Bacterium solution or particulate matter solution inlet 6 are offered, the other side of positive press filtration device 4 offers flushing liquor inlet 7, positive press filtration
The inside of device 4 is fixedly installed with miillpore filter 5, and the lower end inner surface of positive press filtration device 4 offers liquid outlet 8.
The connection relationship between component home is described, in the present embodiment, it is preferred that bacterium solution or particulate matter solution inlet
6 side external surface is fixedly connected with a side external surface of bacterium solution or particulate matter solution push-in mechanism 1, flushing liquor inlet 7
One side external surface is fixedly connected with a side external surface of flushing liquor push-in mechanism 2, the lower end outer surface of liquid outlet 8 and collection filtrate
The upper end outer surface of mechanism 3 is fixedly connected.
The working principle of the invention and process for using: when in use, the retention of positive press filtration device bacteria particles object is first checked for
Whether aptitude tests tool is able to use, and first connects device, connects the quasi- bacterium trapped particles object interception capacity that doing and tests just
Filter 4 is pressed through, bacterium solution or particulate matter solution example bottle 105 are packed into bacterial solution or particulate matter solution, flushing liquor sample bottle 205
It is packed into flushing liquor appropriate, twitches bacterium solution particulate matter side injection device, liquid enters bacterium solution or particulate matter solution push-in mechanism 1；Again
Liquid is pushed to enter bacterium solution or particulate matter solution push-in mechanism 1, bacterium solution particulate matter solution enters positive press filtration device 4, twitch flushing
Liquid side injection device, flushing liquor enters flushing liquor push-in mechanism 2, then flushing liquor is pushed to be pushed into mechanism 2, and flushing liquor enters positive press filtration
Device 4, while remaining bacterium solution particulate matter solution in flushing pipe, the filter liquor of positive press filtration device 4, which enters, collects filtrate mechanism 3
In, it can be used for microorganism detection or particle analyte detection, to assess the interception capacity of filter.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of positive press filtration device bacteria particles object interception capacity testing tool, including positive press filtration device (4), it is characterised in that:
The side of the positive press filtration device (4) is fixedly installed with bacterium solution or particulate matter solution push-in mechanism (1), the positive press filtration device
(4) the other side is fixedly installed with flushing liquor push-in mechanism (2), and the lower end outer surface of the positive press filtration device (4) is fixedly mounted
Have and collects filtrate mechanism (3).
2. a kind of positive press filtration device bacteria particles object interception capacity testing tool according to claim 1, it is characterised in that:
The side of the bacterium solution or particulate matter solution push-in mechanism (1) is provided with No.1 and enters pipeline (106), and the No.1 enters pipeline
(106) lower end is fixedly installed with bacterium solution or particulate matter solution example bottle (105), the No.1 enter one end of pipeline (106)
It being provided with No.1 piston head (104), a side external surface of the No.1 piston head (104) is fixedly connected with No.1 piston (103),
The back end outer surface of the No.1 piston (103) is provided with No.1 piston handle (101), and the No.1 piston (103) and No.1 are living
It is provided with No.1 baffle (102) between plug handle (101), a side external surface of the No.1 piston handle (101) passes through No.1 piston
(103) it is fixedly connected with a side external surface of No.1 piston head (104).
3. a kind of positive press filtration device bacteria particles object interception capacity testing tool according to claim 1, it is characterised in that:
The side of flushing liquor push-in mechanism (2) is provided with No. two and enters pipeline (206), and described No. two enter under pipeline (206)
End is fixedly installed with flushing liquor sample bottle (205), and described No. two one end for entering pipeline (206) are provided with No. two piston heads
(204), a side external surface of No. two piston heads (204) is fixedly connected with No. two pistons (203), No. two pistons
(203) back end outer surface is provided with No. two piston handles (201), between No. two pistons (203) and No. two piston handles (201)
No. two baffles (202) are provided with, a side external surface of No. two piston handles (201) passes through No. two pistons (203) and No. two work
One side external surface of chock plug (204) is fixedly connected.
4. a kind of positive press filtration device bacteria particles object interception capacity testing tool according to claim 1, it is characterised in that:
The upper end for collecting filtrate mechanism (3) is provided with liquid outlet pipe (304), and the lower end outer surface of the liquid outlet pipe (304) is solid
Surely it is connected with and oozes filtrate layers (303), the lower end for oozing filtrate layers (303) is provided with buffer layer (302), the buffer layer
(302) lower end center outer surface is fixedly connected with dropping liquid filter (301), and just the issuing for dropping liquid filter (301) is provided with
Filtrate receiving flask (305), the lower end outer surface of the liquid outlet pipe (304) is by oozing filtrate layers (303) and buffer layer (302)
Upper end be fixedly connected, the lower end center outer surface of the buffer layer (302) and the upper end outer surface of dropping liquid filter (301) are fixed
Connection.
5. a kind of positive press filtration device bacteria particles object interception capacity testing tool according to claim 1, it is characterised in that:
The side inner surface of the positive press filtration device (4) offers bacterium solution or particulate matter solution inlet (6), the positive press filtration device
(4) the other side offers flushing liquor inlet (7), and the inside of the positive press filtration device (4) is fixedly installed with miillpore filter
(5), the lower end inner surface of the positive press filtration device (4) offers liquid outlet (8).
6. existing according to claim 1 with a kind of positive press filtration device bacteria particles object interception capacity testing tool, feature described in 5
In: the one of a side external surface of the bacterium solution or particulate matter solution inlet (6) and bacterium solution or particulate matter solution push-in mechanism (1)
Side external surface is fixedly connected, the side appearance of a side external surface and the flushing liquor push-in mechanism (2) of the flushing liquor inlet (7)
Face is fixedly connected, and the lower end outer surface of the liquid outlet (8) is fixedly connected with the upper end outer surface for collecting filtrate mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210996.3A CN109238943A (en) | 2018-10-17 | 2018-10-17 | A kind of positive press filtration device bacteria particles object interception capacity testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210996.3A CN109238943A (en) | 2018-10-17 | 2018-10-17 | A kind of positive press filtration device bacteria particles object interception capacity testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109238943A true CN109238943A (en) | 2019-01-18 |
Family
ID=65053123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811210996.3A Pending CN109238943A (en) | 2018-10-17 | 2018-10-17 | A kind of positive press filtration device bacteria particles object interception capacity testing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109238943A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002195931A (en) * | 2000-12-27 | 2002-07-10 | Hosokawa Micron Corp | Filter testing device |
| US6453257B1 (en) * | 1998-12-18 | 2002-09-17 | Larson Testing Laboratories | Apparatus for testing the ability of a filter to filter contaminants |
| CN103537195A (en) * | 2012-07-12 | 2014-01-29 | 上海中立德医药科技有限公司 | Germ entrapping detection apparatus and method by virtue of filter |
| CN206985925U (en) * | 2017-06-28 | 2018-02-09 | 响水县壹鸿工业制冰有限公司 | A kind of ice making water purifier |
| CN107974402A (en) * | 2017-12-29 | 2018-05-01 | 山东省医疗器械产品质量检验中心 | Liquid bacterial rejection tests method and system -0.2 μm of normal pore size air filter |
| CN209471021U (en) * | 2018-10-17 | 2019-10-08 | 迈博瑞生物膜技术（南通）有限公司 | A kind of positive press filtration device bacteria particles object interception capacity testing tool |
-
2018
- 2018-10-17 CN CN201811210996.3A patent/CN109238943A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6453257B1 (en) * | 1998-12-18 | 2002-09-17 | Larson Testing Laboratories | Apparatus for testing the ability of a filter to filter contaminants |
| JP2002195931A (en) * | 2000-12-27 | 2002-07-10 | Hosokawa Micron Corp | Filter testing device |
| CN103537195A (en) * | 2012-07-12 | 2014-01-29 | 上海中立德医药科技有限公司 | Germ entrapping detection apparatus and method by virtue of filter |
| CN206985925U (en) * | 2017-06-28 | 2018-02-09 | 响水县壹鸿工业制冰有限公司 | A kind of ice making water purifier |
| CN107974402A (en) * | 2017-12-29 | 2018-05-01 | 山东省医疗器械产品质量检验中心 | Liquid bacterial rejection tests method and system -0.2 μm of normal pore size air filter |
| CN209471021U (en) * | 2018-10-17 | 2019-10-08 | 迈博瑞生物膜技术（南通）有限公司 | A kind of positive press filtration device bacteria particles object interception capacity testing tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2412749A1 (en) | Saliva testing and confirmation device | |
| CN214809310U (en) | Exhaust gas detection clarification plant | |
| CN208223856U (en) | A kind of portable of construction of the highway adopts native vertical sampling device | |
| CN209471021U (en) | A kind of positive press filtration device bacteria particles object interception capacity testing tool | |
| CN109238943A (en) | A kind of positive press filtration device bacteria particles object interception capacity testing tool | |
| CN107300487A (en) | A kind of waste water on-line monitoring Multi-layer technology sampling apparatus that may filter that | |
| CN211576677U (en) | Industrial wastewater sampling device | |
| CN209102457U (en) | A kind of new beverage food inspection rapid sampling attachment | |
| CN208206560U (en) | A kind of water quality detection sampler | |
| CN201186179Y (en) | Multi-connection stainless steel liquid sample filtration device | |
| CN108613838B (en) | Water sample collection system that can sample many times | |
| CN204202924U (en) | A kind of multilayer water sampler | |
| CN213853906U (en) | Acellular matrix sterility test membrane filter | |
| CN212110764U (en) | Higher-vocational medical science teaching is with inspection sampling device | |
| CN206440551U (en) | Rock specimen in uniaxial compression device | |
| CN201969719U (en) | Internal dust source absorption device and dust removal system in sample preparation room | |
| CN209321720U (en) | A kind of non-damageable compression set of garbage disposal sound construction | |
| CN203350060U (en) | Special exploring cylinder sampler of fire coal full moistures | |
| CN203053768U (en) | Clinical test smear device | |
| CN209192777U (en) | A kind of laboratory waste water collection device | |
| CN210787759U (en) | Electrostatic adsorption equipment | |
| CN218035912U (en) | Multichannel atmospheric sampling device | |
| CN216082102U (en) | Incomplete quick detection device of soil farming | |
| CN215551172U (en) | Liu azofamid film clamp | |
| CN206523346U (en) | A kind of clinical examination smear machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |