CN113583827A - Novel virus sampling tube and forming device - Google Patents
Novel virus sampling tube and forming device Download PDFInfo
- Publication number
- CN113583827A CN113583827A CN202110835721.4A CN202110835721A CN113583827A CN 113583827 A CN113583827 A CN 113583827A CN 202110835721 A CN202110835721 A CN 202110835721A CN 113583827 A CN113583827 A CN 113583827A
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- Prior art keywords
- groove
- swab
- tube
- elasticity
- cap
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- 238000005070 sampling Methods 0.000 title claims abstract description 59
- 241000700605 Viruses Species 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012472 biological sample Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003761 preservation solution Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000712461 unidentified influenza virus Species 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/08—Flask, bottle or test tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/02—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by impregnation, e.g. using swabs or loops
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Clinical Laboratory Science (AREA)
- Mechanical Engineering (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a novel virus sampling tube in the technical field of sampling tubes, which comprises a tube body, a tube cap, a protruding part, a swab clamping groove, a clamping part and a clamping groove, wherein after the tube cap is covered on the tube body, the protruding part is clamped in the clamping groove and generates elastic shrinkage deformation, so that the swab clamping groove generates elastic shrinkage. The back is closed on the body to the pipe cap lid, the tight groove extrusion bulge both sides outer wall of clamp in the clamping part, make the bulge produce elastic shrinkage, and then make swab centre gripping inslot wall press from both sides tight swab afterbody, avoid the swab afterbody to drop in the virus of sampling pipe conserves the liquid, through setting up the elasticity cover that expands, stretch into in the sampling pipe after the shaping by the bloated cover of lift cylinder drive elasticity, shift up by electric push rod drive sliding block again, make the elasticity cover that expands produce the elasticity and expand, and then make the elasticity cover that expands strut and support tight sampling pipe inner wall, shift up by the bloated cover of lift cylinder drive elasticity again, and then make the sampling pipe after the shaping can fast demoulding.
Description
Technical Field
The invention relates to the technical field of sampling pipes, in particular to a novel virus sampling pipe and a forming device.
Background
The virus sampling tube is a microorganism sampling and conveying tube for sampling and conveying viruses such as influenza virus, hand-foot-and-mouth virus and the like, and is also called a centrifuge tube and a specimen conveying tube. The virus sampling tube is generally composed of a sterile sampling tube and a tube cover, and is additionally provided with a sampling swab which is independently packaged and used for collecting a biological sample, wherein 2-5ml of virus preservation solution is pre-filled in the sterile sampling tube. The use method of the virus sampling tube is as follows: the user needs to open the sampling swab packaging bag first, hold the swab tip and collect the biological sample, then open the tube cap of sampling pipe, will wipe the head and probe into the virus preservative fluid in the sampling pipe, break and wipe the pole, cover the lid of sampling pipe at last and preserve or transport.
Present sampling pipe is when holding the collection swab, mainly is directly to place the swab in the sampling pipe, and this kind of mode makes in the swab afterbody falls into the virus preserving fluid in the sampling pipe easily, because the swab afterbody has the contact with the instrument, and the instrument surface probably is stained with small impurity, and then probably preserves liquid composition to the virus and produce the influence, and the inconvenient sampling pipe that finishes to the shaping of the former of sampling pipe that has in addition carries out the drawing of patterns operation, and then influences the whole shaping efficiency of sampling pipe.
Based on the above, the invention designs a novel virus sampling tube and a forming device, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel virus sampling tube and a forming device, and aims to solve the problems that when the sampling tube in the prior art is used for accommodating a sampling swab, the swab is mainly directly placed in the sampling tube, the tail part of the swab is easy to fall into virus preservation liquid in the sampling tube in such a way, the tail part of the swab is in contact with a tool, and tiny impurities possibly adhere to the surface of the tool, so that the virus preservation liquid components are possibly influenced, and in addition, the forming equipment of the sampling tube in the prior art is inconvenient to perform demoulding operation on the formed sampling tube, so that the integral forming efficiency of the sampling tube is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel virus sampling pipe, includes body and pipe cap, be equipped with a bulge in the body, set up the swab centre gripping groove of breach form on the bulge, the pipe cap bottom surface is equipped with a clamping part, set up width top-down in proper order and be the tight groove of clamp of breach form in the clamping part, the back is closed on the body to the pipe cap lid, the bulge block is in pressing from both sides tight inslot, and produces elastic shrinkage deformation, makes swab centre gripping groove produces elastic shrinkage.
Preferably, the cap is connected to the body via a hinge.
Preferably, the outer walls of the pipe cap and the pipe body are respectively provided with a magnetic conduction block and a permanent magnet, and the permanent magnet is matched with the magnetic conduction block for use.
Preferably, the protruding part is provided with an arc-shaped through groove communicated with the swab clamping groove.
The forming device of the novel virus sampling tube comprises a forming seat arranged on a base, wherein the top of the forming seat is provided with a groove, a floating seat driven by a lifting oil cylinder to move up and down is arranged above the base, the bottom of the floating seat is provided with a die head, the die head and the inner wall of the groove form a forming cavity after moving into the groove, the floating seat is provided with an injection port communicated with the forming cavity, the base is vertically provided with a servo motor, the servo motor is in driving connection with a rotating arm, the lifting oil cylinder is arranged at one end of the rotating arm in the length direction, the other end of the rotating arm in the length direction is vertically provided with a lifting air cylinder, the lifting air cylinder is in driving connection with an elastic expansion sleeve, the bottom of the elastic expansion sleeve is coaxially provided with a sliding groove, the inner diameter of the sliding groove is sequentially increased from top to bottom, the outer wall of the elastic expansion sleeve is provided with a plurality of strip-shaped gaps communicated with the sliding groove along the axial array, the sliding block is clamped in the sliding groove, an electric push rod is vertically arranged in the sliding groove, and the electric push rod is in driving connection with the sliding block.
Preferably, the elastic expansion sleeve is made of spring steel material.
Preferably, one end of the base, which is far away from the forming seat, is provided with a collecting bin.
Compared with the prior art, the invention has the beneficial effects that: the back is closed on the body to the pipe cap lid, the tight groove extrusion bulge both sides outer wall of clamp in the clamping part, make the bulge produce elastic shrinkage, and then make swab centre gripping inslot wall press from both sides tight swab afterbody, avoid the swab afterbody to drop in the virus of sampling tube conserves the liquid, through setting up the elasticity cover that expands, stretch into in the sampling tube after the shaping by the bloated cover of lift cylinder drive elasticity, shift up by electric push rod drive sliding block again, make the sliding block expand to sheathe in the sliding tray inner wall of elasticity and produce the extrusion, make the elasticity cover that expands produce elasticity and expand, and then make the elasticity cover that expands strut and support tight sampling tube inner wall, shift up by the bloated cover of lift cylinder drive elasticity again, and then make the sampling tube after the shaping can fast demoulding.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the general assembly of a novel virus sampling tube according to the present invention;
FIG. 2 is a schematic top view of the three-dimensional structure of FIG. 1;
FIG. 3 is a schematic view of the general assembly structure of a novel virus sampling tube forming device according to the present invention;
fig. 4 is a schematic structural diagram of an elastic expansion sleeve in the novel virus sampling tube forming device.
In the drawings, the components represented by the respective reference numerals are listed below:
1-foldout, 2-pipe cap, 3-magnetic conductive block, 4-clamping part, 5-clamping groove, 6-pipe body, 7-bulge, 8-permanent magnet, 9-swab clamping groove, 10-arc through groove, 11-base, 12-forming cavity, 13-forming seat, 14-die head, 15-injection opening, 16-floating seat, 17-lifting oil cylinder, 18-lifting air cylinder, 19-rotating arm, 20-electric push rod, 21-elastic expansion sleeve, 22-sliding block, 23-collecting bin, 24-servo motor, 25-sliding groove and 26-strip-shaped notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a novel virus sampling tube comprises a tube body 6 and a tube cap 2, wherein the tube cap 2 is connected with the tube body 6 through a hinge 1, the outer walls of the tube cap 2 and the tube body 6 are respectively provided with a magnetic conduction block 3 and a permanent magnet 8, the permanent magnet 8 is matched with the magnetic conduction block 3 for use, and after the tube cap 2 is covered on the tube body 6, the permanent magnet 8 has magnetic adsorption on the magnetic conduction block 3, so that the official cap 2 is firmly arranged on the tube body 6, a convex part 7 is arranged in the tube body 6, a swab clamping groove 9 in a notch form is arranged on the convex part 7, after a swab is placed in the tube body 6, the tail part of the swab is clamped into the swab clamping groove 9, the bottom surface of the tube cap 2 is provided with a clamping part 4, the clamping part 4 is provided with clamping grooves 5 which gradually increase in width from top to bottom and are in the notch form, after the tube cap 2 is covered on the tube body 6, the convex part 7 is clamped in the clamping groove 5 and generates elastic shrinkage deformation, make swab centre gripping groove 9 produce elastic shrinkage, and then make the afterbody of the tight swab of swab centre gripping inslot 9 inner wall clamp, avoid the swab afterbody to drop to the virus to preserve liquid, set up the arc that link up with swab centre gripping groove 9 on bulge 7 and lead to groove 10, lead to groove 10 through setting up the arc for the elastic shrinkage deformation range of bulge 7 is bigger, avoids bulge 7 to produce plastic deformation.
The implementation also discloses a forming device of a novel virus sampling tube, which comprises a forming seat 13 arranged on a base 11, wherein the top of the forming seat 13 is provided with a groove, a floating seat 16 driven by a lifting oil cylinder 17 to move up and down is arranged above the base 11, the bottom of the floating seat 16 is provided with a die head 14, after the die head 14 moves into the groove, the die head and the inner wall of the groove are enclosed into a forming cavity 12, the floating seat 16 is provided with an injection port 15 communicated with the forming cavity 12, a servo motor 24 is vertically arranged on the base 11, the servo motor 24 is connected with a rotating arm 19 in a driving way, the lifting oil cylinder 17 is arranged at one end of the rotating arm 19 in the length direction, the other end of the rotating arm 19 in the length direction is vertically provided with a lifting air cylinder 18, the lifting air cylinder 18 is connected with an elastic expansion sleeve 21 in a driving way, the bottom of the elastic expansion sleeve 21 is coaxially provided with a sliding groove 25, the inner diameter of the sliding groove 25 is sequentially increased from top to bottom, the outer wall of the elastic expansion sleeve 21 is provided with a plurality of strip-shaped notches 26 communicated with the sliding groove 25 along the axial direction in an array manner, the sliding block 22 is clamped in the sliding groove 25, the electric push rod 20 is vertically arranged in the sliding groove 25, the electric push rod 20 is in driving connection with the sliding block 22, after the forming is finished, the servo motor 24 drives the rotating arm 19 to rotate, so that the elastic expansion sleeve 21 rotates to the upper part of the forming cavity, the lifting cylinder 18 is started, the lifting cylinder 18 drives the elastic expansion sleeve 21 to extend into the formed sampling tube, the electric push rod 29 drives the sliding block 22 to move upwards, so that the sliding block 22 extrudes the inner wall of the sliding groove 25 on the elastic expansion sleeve 21, the elastic expansion sleeve 21 generates elastic expansion, the elastic expansion sleeve 21 is further expanded and tightly abutted against the inner wall of the sampling tube, the elastic expansion sleeve 21 is driven to move upwards by the lifting cylinder 18, so that the formed sampling tube can be rapidly demoulded, and the elastic expansion sleeve 21 is made of spring steel, make the elastic deformation range of the elastic expansion sleeve 21 bigger like this, the one end that the base 11 kept away from the shaping seat 13 is equipped with the collection storehouse 23, is convenient for collect the sampling pipe after the drawing of patterns.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a novel virus sampling pipe, includes body (6) and pipe cap (2), its characterized in that, be equipped with a bulge (7) in body (6), set up swab centre gripping groove (9) of breach form on bulge (7), pipe cap (2) bottom surface is equipped with a clamping part (4), set up width top-down in proper order and the clamping groove (5) for the breach form on clamping part (4), back on pipe cap (2) lid closes body (6), bulge (7) block is in clamping groove (5), and produces elastic shrinkage deformation, makes swab centre gripping groove (9) produce elastic shrinkage.
2. A novel virus sampling tube according to claim 1, wherein the cap (2) is connected to the tube body (6) via a hinge (1).
3. The novel virus sampling tube according to claim 1, wherein the outer walls of the tube cap (2) and the tube body (6) are respectively provided with a magnetic conduction block (3) and a permanent magnet (8), and the permanent magnet (8) is matched with the magnetic conduction block (3) for use.
4. The novel virus sampling tube according to claim 1, wherein the protrusion (7) is provided with an arc-shaped through groove (10) communicated with the swab holding groove (9).
5. A novel forming device of a virus sampling tube comprises a forming seat (13) installed on a base (11), wherein a groove is formed in the top of the forming seat (13), a floating seat (16) driven by a lifting oil cylinder (17) to move up and down is arranged above the base (11), a die head (14) is arranged at the bottom of the floating seat (16), a forming cavity (12) is formed between the die head (14) and the inner wall of the groove after the die head (14) moves into the groove, an injection opening (15) communicated with the forming cavity (12) is formed in the floating seat (16), the forming device is characterized in that a servo motor (24) is vertically installed on the base (11), a rotating arm (19) is connected to the servo motor (24) in a driving manner, the lifting oil cylinder (17) is installed at one end of the rotating arm (19) in the length direction, and a lifting air cylinder (18) is vertically installed at the other end of the rotating arm (19) in the length direction, the lifting cylinder (18) is connected with the elastic expansion sleeve (21) in a driving mode, the sliding groove (25) is coaxially formed in the bottom of the elastic expansion sleeve (21), the inner diameter of the sliding groove (25) is sequentially increased from top to bottom, a plurality of strip-shaped notches (26) communicated with the sliding groove (25) are formed in the outer wall of the elastic expansion sleeve (21) along the axial array of the elastic expansion sleeve, a sliding block (22) is clamped in the sliding groove (25), an electric push rod (20) is vertically arranged in the sliding groove (25), and the electric push rod (20) is in driving connection with the sliding block (22).
6. The forming device of a novel virus sampling pipe according to claim 5, wherein the elastic expansion sleeve (21) is made of spring steel.
7. The forming device of a novel virus sampling pipe according to claim 5, characterized in that a collecting bin (23) is arranged at one end of the base (11) far away from the forming base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835721.4A CN113583827A (en) | 2021-07-23 | 2021-07-23 | Novel virus sampling tube and forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835721.4A CN113583827A (en) | 2021-07-23 | 2021-07-23 | Novel virus sampling tube and forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113583827A true CN113583827A (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110835721.4A Pending CN113583827A (en) | 2021-07-23 | 2021-07-23 | Novel virus sampling tube and forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113583827A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246856A (en) * | 1989-01-26 | 1993-09-21 | Scan-Labs Ltd. | Specimen receptacles for swabbing sets |
| CN203470870U (en) * | 2013-09-05 | 2014-03-12 | 上海卓然工程技术有限公司 | Demoulding device of furnace tube |
| CN205853244U (en) * | 2016-06-07 | 2017-01-04 | 安徽省华晟塑胶股份有限公司 | A kind of plastic parts process equipment |
| CN209544475U (en) * | 2019-04-26 | 2019-10-25 | 安徽晟捷新能源科技有限公司 | A kind of power battery module component |
| CN209598169U (en) * | 2018-12-29 | 2019-11-08 | 天长市龙亨电子有限公司 | A kind of casing of electric vehicle controller molding equipment |
| CN210556648U (en) * | 2019-07-15 | 2020-05-19 | 生态环境部华南环境科学研究所 | Novel oxygen-isolating preservation device for tubular sediment sample |
| CN111471581A (en) * | 2020-04-12 | 2020-07-31 | 浙江拱东医疗器械股份有限公司 | Take virus sampling pipe of safety knot |
| CN111839607A (en) * | 2020-08-18 | 2020-10-30 | 谢央达 | Sampling pipe |
| CN211994047U (en) * | 2020-02-15 | 2020-11-24 | 林明凤 | Precision plastic accessory production mold |
| CN212274174U (en) * | 2020-05-14 | 2021-01-01 | 安庆宜众源空调有限公司 | Electrode humidifier |
| CN213266492U (en) * | 2020-07-21 | 2021-05-25 | 慈达(广州)生物技术有限公司 | Virus sampling tube for efficiently storing samples |
| CN213481817U (en) * | 2020-10-29 | 2021-06-18 | 吕中秀 | Automatic precipitation sample collection device for ecological environment monitoring |
-
2021
- 2021-07-23 CN CN202110835721.4A patent/CN113583827A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246856A (en) * | 1989-01-26 | 1993-09-21 | Scan-Labs Ltd. | Specimen receptacles for swabbing sets |
| CN203470870U (en) * | 2013-09-05 | 2014-03-12 | 上海卓然工程技术有限公司 | Demoulding device of furnace tube |
| CN205853244U (en) * | 2016-06-07 | 2017-01-04 | 安徽省华晟塑胶股份有限公司 | A kind of plastic parts process equipment |
| CN209598169U (en) * | 2018-12-29 | 2019-11-08 | 天长市龙亨电子有限公司 | A kind of casing of electric vehicle controller molding equipment |
| CN209544475U (en) * | 2019-04-26 | 2019-10-25 | 安徽晟捷新能源科技有限公司 | A kind of power battery module component |
| CN210556648U (en) * | 2019-07-15 | 2020-05-19 | 生态环境部华南环境科学研究所 | Novel oxygen-isolating preservation device for tubular sediment sample |
| CN211994047U (en) * | 2020-02-15 | 2020-11-24 | 林明凤 | Precision plastic accessory production mold |
| CN111471581A (en) * | 2020-04-12 | 2020-07-31 | 浙江拱东医疗器械股份有限公司 | Take virus sampling pipe of safety knot |
| CN212274174U (en) * | 2020-05-14 | 2021-01-01 | 安庆宜众源空调有限公司 | Electrode humidifier |
| CN213266492U (en) * | 2020-07-21 | 2021-05-25 | 慈达(广州)生物技术有限公司 | Virus sampling tube for efficiently storing samples |
| CN111839607A (en) * | 2020-08-18 | 2020-10-30 | 谢央达 | Sampling pipe |
| CN213481817U (en) * | 2020-10-29 | 2021-06-18 | 吕中秀 | Automatic precipitation sample collection device for ecological environment monitoring |
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Application publication date: 20211102 |
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