CN112385644A - Biological cell bin for genetic engineering - Google Patents
Biological cell bin for genetic engineering Download PDFInfo
- Publication number
- CN112385644A CN112385644A CN202011275183.XA CN202011275183A CN112385644A CN 112385644 A CN112385644 A CN 112385644A CN 202011275183 A CN202011275183 A CN 202011275183A CN 112385644 A CN112385644 A CN 112385644A
- Authority
- CN
- China
- Prior art keywords
- box
- genetic engineering
- biological cell
- gear assembly
- cold air
- 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.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0236—Mechanical aspects
- A01N1/0242—Apparatuses, i.e. devices used in the process of preservation of living parts, such as pumps, refrigeration devices or any other devices featuring moving parts and/or temperature controlling components
- A01N1/0252—Temperature controlling refrigerating apparatus, i.e. devices used to actively control the temperature of a designated internal volume, e.g. refrigerators, freeze-drying apparatus or liquid nitrogen baths
- A01N1/0257—Stationary or portable vessels generating cryogenic temperatures
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a biological cell storage box for genetic engineering, and relates to the technical field of genetic engineering devices. This biological cell bin for genetic engineering, the power distribution box comprises a box body, the top of box is rotated and is installed the case lid, the top fixed mounting of case lid has portable part, the inside fixed mounting of box has compressor, the inside air conditioning that is provided with of the box of compressor top stores the cavity. This biological cell bin for genetic engineering, through the lug connection of air conditioning storage cavity and the sealed storehouse body, avoid the inside air conditioning of device to leak, and close and cover in sealed and set up the sealing washer, make the leakproofness better, reduce biological cell and external contact, improve genetic engineering test detection accuracy, through control and linkage between gear train and connecting rod and the hand handle, make the staff not only can go up and down to whole sealed storehouse bodies when using, more can control to the lift of the single sealed storehouse body.
Description
Technical Field
The invention relates to the technical field of genetic engineering devices, in particular to a biological cell storage box for genetic engineering.
Background
Genetic engineering is also known as gene splicing technology and DNA recombination technology. In the current biological cell sampling process, the biological cells are often stored through a test tube and then placed in a specific box body for refrigeration preservation, but the biological cell storage box in the current market has the following defects: firstly, the storage box which is common in the market at present has no sealing property, and the storage box with the sealing property is very inconvenient for taking and storing biological cells; second, common bin is the simple box that has cold-stored function, and it is very fast that the box leads to the inside air conditioning of box to leak because of need open when in actual use, and the temperature is unstable, and has increased the possibility of inside biological cell and external contact, has reduced the accuracy that biological cell detected and tested.
In order to solve the problems, the inventor provides a biological cell storage box for genetic engineering, the bottom of a cold air storage cavity is directly connected with the bottom of a sealed cabin body, so that a large amount of cold air in the device is prevented from leaking, the structures of a sealing cover and a sealing ring arranged on the inner side of the sealing cover are adopted, the possibility that biological cells contact with the outside can be reduced, the accuracy of genetic engineering tests and detection is improved, and finally, by controlling and linking a gear set, a connecting rod and a hand-cranking handle, a worker can lift all the sealed cabin bodies when using the biological cell storage box, and can control the lifting of a single sealed cabin body.
Disclosure of Invention
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a biological cell bin for genetic engineering, includes box, case lid, portable part, compressor, air conditioning storage cavity, the sealed storehouse body, places the board, seals to close lid, rack, first gear assembly, bearing part, connecting rod, second gear assembly, first pivot, gear pole, spacing hole groove, spacing pillar, third gear assembly, second pivot, hand handle.
Wherein:
the refrigerator comprises a box body, a box cover, a hand-held part, a refrigeration compressor, a cold air storage cavity, a sealing cabin body, a placing plate, a sealing cover, a rack, a first gear assembly, a bearing part, a connecting rod, a second gear assembly, a first rotating shaft and a gear rod, wherein the box cover is rotatably arranged at the top of the box body, the hand-held part is fixedly arranged at the top of the box body, the refrigeration compressor is fixedly arranged in the box body above the refrigeration compressor, the sealing cabin body is arranged in the box body above the cold air storage cavity, the placing plate is fixedly arranged in the sealing cabin body, the sealing cover is rotatably arranged at the top of the sealing cabin body, the rack is fixedly arranged at one side of the sealing cabin body, the first gear assembly is meshed with the first gear assembly, the bearing part is fixedly arranged on one side of the, spacing hole groove has been seted up on the surface of gear pole, the inside in spacing hole groove is provided with spacing pillar, one side meshing of gear pole has the third gear subassembly, it installs the second pivot to rotate on the third gear subassembly, the one end fixed mounting of first pivot has hand handle.
Preferably, the surface of the box body is provided with a power supply connecting jack, so that the device is convenient to be connected with an external power supply for use.
Preferably, the inside in the sealed storehouse body is provided with the anticollision sponge, can effectively reduce vibrations and the harm that the collision produced the test tube when the test tube was deposited to the biology in the sealed storehouse body inside.
Preferably, the sealing bin body is provided with four, so that the device can store a plurality of biological cells and store test tubes.
Preferably, the top of air conditioning storage cavity is provided with the air conditioning export, the bottom of the sealed storehouse body is provided with the air conditioning import corresponding with the air conditioning export, and the air conditioning export through air conditioning storage cavity and sealed storehouse body bottom is corresponding makes cold-stored effect better more direct, and also can not lead to the air conditioning to leak when the sealed storehouse body rises.
Preferably, the surface of the placing plate is provided with a semicircular arc groove, so that the biological storage test tube can be conveniently and stably placed.
Preferably, the edge that the lid was closed in the sealing is provided with seal ring, and the top that the lid was closed in the sealing is equipped with the hand-held piece, improves the leakproofness and the practicality that the lid was closed in the sealing.
The invention provides a biological cell storage box for genetic engineering. The method has the following beneficial effects:
1. the biological cell storage box for genetic engineering is provided with the cold air storage cavity, and the cold air storage cavity is directly connected with the bottom of the sealed cabin body, so that a large amount of cold air in the device cannot be leaked out no matter how the sealed cabin body rises in actual use, the cold air storage amount and the refrigeration effect in the device are ensured, and the biological cells are conveniently stored.
2. The biological cell storage box for genetic engineering is characterized in that a first gear assembly, a bearing part, a connecting rod, a second gear assembly, a first rotating shaft, a gear rod, a limiting hole groove, a limiting pillar, a third gear assembly, a second rotating shaft, a hand-operated handle and a sealing cabin body provided with a rack are arranged, so that the biological cell storage box can rotate the first rotating shaft with the second gear assembly through the hand-operated handle when in actual use, the second gear assembly drives the first gear assembly, the first gear assembly is matched with the rack on the sealing cabin body to drive all the sealing cabin bodies to be stressed and lifted, the first gear assembly can be lifted through the connecting rod, the first gear assembly and the second gear assembly are disengaged, a certain sealing cabin body which is lifted according to needs is lifted to lift the corresponding first gear assembly to be engaged with the third gear assembly, and at the moment, the hand-operated handle rotates the first rotating shaft with the, the gear pole atress of swing joint with it does irregular motion, but because spacing pillar carries on spacingly to it, makes it to do translation removal from top to bottom, and the gear pole drives the rotation of third gear subassembly this moment, and the first gear subassembly of third gear subassembly transmission to realized the control of rising to the single sealed storehouse body, and can reduce the clearance between the sealed storehouse body and the air conditioning storage cavity through the translation that rises, guaranteed sealing performance.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an overall structural view of the present invention;
FIG. 3 is a schematic view of the internal structure of the sealed bin body of the present invention;
FIG. 4 is a top view of the interior of the case of the present invention;
FIG. 5 is a schematic view of the gear lever engagement structure of the present invention;
fig. 6 is a schematic structural diagram of the first gear assembly of the present invention.
In the figure: 1. a box body; 2. a box cover; 3. a hand-held component; 4. a refrigeration compressor; 5. a cold air storage cavity; 6. sealing the bin body; 7. placing the plate; 8. sealing and closing the cover; 9. a rack; 10. a first gear assembly; 11. a bearing member; 12. a connecting rod; 13. a second gear assembly; 14. a first rotating shaft; 15. a gear lever; 16. a limiting hole groove; 17. a limiting strut; 18. a third gear assembly; 19. a second rotating shaft; 20. a hand-operated handle.
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.
The examples of the biological cell storage case for genetic engineering are as follows:
referring to fig. 1-6, the portable refrigerator includes a box body 1, a box cover 2, a carrying part 3, a refrigeration compressor 4, a cool air storage cavity 5, a sealed cabin 6, a placing plate 7, a sealed cover 8, a rack 9, a first gear assembly 10, a bearing part 11, a connecting rod 12, a second gear assembly 13, a first rotating shaft 14, a gear rod 15, a limiting hole slot 16, a limiting pillar 17, a third gear assembly 18, a second rotating shaft 19, and a hand-operated handle 20.
Wherein:
the top of the box body 1 is rotatably provided with a box cover 2, the surface of the box body 1 is provided with a power supply connecting jack, the device is convenient to be connected with an external power supply for use, the top of the box cover 2 is fixedly provided with a hand-carrying part 3, the interior of the box body 1 is fixedly provided with a refrigeration compressor 4, the interior of the box body 1 above the refrigeration compressor 4 is provided with a cold air storage cavity 5, the interior of the box body 1 above the cold air storage cavity 5 is provided with a sealed box body 6, the top of the cold air storage cavity 5 is provided with a cold air outlet, the bottom of the sealed box body 6 is provided with a cold air inlet corresponding to the cold air outlet, the cold air storage cavity 5 corresponds to the cold air outlet at the bottom of the sealed box body 6, so that the refrigeration effect is better and more direct, and the cold air can not leak when the sealed, the device of the invention can not cause a large amount of cold air in the device to leak no matter how the sealed cabin body 6 rises in the actual use, thereby ensuring the storage amount of the cold air in the device and the refrigeration effect, being convenient for the storage of biological cells, and the whole sealing effect of the device of the invention is good, the possibility of the contact of the biological cells with the outside is reduced as much as possible, and the accuracy of genetic engineering test and detection is increased by the structures that the sealed closing cover 8 is arranged on the sealed cabin body 6 and the sealing ring is arranged on the inner side of the sealed closing cover 8.
The four sealing cabin bodies 6 are arranged, so that the device can store a plurality of biological cells to store test tubes, the inside of the sealing cabin body 6 is fixedly provided with a placing plate 7, the surface of the placing plate 7 is provided with a semicircular arc groove, so that the biological cells can be conveniently and stably stored, the inside of the sealing cabin body 6 is provided with anti-collision sponge, when the biological cells are stored in the inside of the sealing cabin body 6, the damage of vibration and collision to the test tubes can be effectively reduced, the top of the sealing cabin body 6 is rotatably provided with a sealing cover 8, the edge of the sealing cover 8 is provided with a sealing gasket, the top of the sealing cover 8 is provided with a hand piece, the sealing performance and the practicability of the sealing cover 8 are improved, one side of the sealing cabin body 6 is fixedly provided with a rack 9, one side of the rack 9 is meshed with a first gear assembly 10, one side of the first gear assembly 10 is provided with a, a second gear assembly 13 is meshed below the first gear assembly 10, a first rotating shaft 14 is rotatably mounted on the second gear assembly 13, a gear rod 15 is movably mounted on one side of the first rotating shaft 14, a limiting hole groove 16 is formed in the surface of the gear rod 15, a limiting support column 17 is arranged inside the limiting hole groove 16, a third gear assembly 18 is meshed on one side of the gear rod 15, a second rotating shaft 19 is rotatably mounted on the third gear assembly 18, a hand-operated handle 20 is fixedly mounted at one end of the first rotating shaft 14, and the first rotating shaft 14, the gear rod 15, the limiting hole groove 16, the limiting support column 17, the third gear assembly 18, the second rotating shaft 19, the hand-operated handle 20 and the sealing cabin body 6 provided with the rack 9 are mounted, so that the device can rotate the first rotating shaft 14 with the second gear assembly 13 through the hand-operated handle 20 during actual use, so that the second gear assembly 13 drives the first gear assembly 10, the first gear assembly 10 is matched with the rack 9 on the sealing cabin body 6 to drive all the sealing cabin bodies 6 to be stressed and lifted, the first gear assembly 10 can also be lifted up through the connecting rod 12, so that the first gear assembly 10 is disengaged from the second gear assembly 13, and a certain sealing cabin body 6 which is lifted up as required lifts up the corresponding first gear assembly 10 to be meshed with the third gear assembly 18, at the moment, the hand-operated handle 20 rotates the first rotating shaft 14 with the second gear assembly 13, the gear rod 15 movably connected with the hand-operated handle is stressed to do irregular movement, but because the limiting strut 17 limits the first gear assembly 10, the first gear assembly is moved in a vertical translation manner, at the moment, the gear rod 15 drives the third gear assembly 18 to rotate, the third gear assembly 18 drives the first gear assembly 10, thereby realizing the lifting control of a single sealing cabin, and the clearance between the sealing bin body 6 and the cold air storage cavity 5 can be reduced through ascending and translation, and the sealing performance is ensured.
Before the use, the use safety among all parts in the invention is checked, and then all parts in the invention are connected firmly and are ready for use;
when in use, the device is firstly carried to a required use position through the hand-held part 3, and is connected with an external power supply through a power supply connecting jack to enable the refrigeration compressor 4 to work, then the box cover 2 is opened, the first rotating shaft 14 with the second gear component 13 is rotated through the hand-operated handle 20 to enable the second gear component 13 to drive the first gear component 10, the first gear component 10 is matched with the rack 9 on the sealing cabin body 6 to drive all the sealing cabin bodies 6 to be stressed and lifted, then the sealing closing cover 8 is opened to place test tubes for storing biological cells on the placing plate 7, after the storage is finished, all the sealing cabin bodies 6 are controlled to be stressed and lifted through the hand-operated handle 20, the cold air storage cavity 5 corresponds to the cold air outlet at the bottom of the sealing cabin bodies 6 to enable the cold air generated by the refrigeration compressor 4 to be directly transmitted to the sealing cabin bodies 6, and the cold air can not be leaked when the sealed cabin body 6 is lifted;
when only a single sealing cabin body 6 needs to be opened, the first gear assembly 10 is lifted up through the connecting rod 12, so that the first gear assembly 10 is disengaged from the second gear assembly 13, and a corresponding first gear assembly 10 is lifted up according to a certain sealed cabin body 6 which is required to be lifted up to be meshed with a third gear assembly 18, at the moment, a hand-operated handle 20 rotates a first rotating shaft 14 with a second gear assembly 13, a gear rod 15 movably connected with the hand-operated handle is forced to do irregular movement, but the limit pillar 17 limits the position of the gear, so that the gear can move up and down in a translational way, at the moment, the gear rod 15 drives the third gear component 18 to rotate, the third gear component 18 drives the first gear component 10, therefore, the ascending control of the single sealed cabin body 6 is realized, the sealing cover 8 is closed after the storage is finished, the sealed cabin body 6 descends, and finally the box cover 2 is closed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A biological cell storage box for genetic engineering comprises a box body (1), and is characterized in that: the refrigerator is characterized in that a box cover (2) is rotatably mounted at the top of the box body (1), a hand-held part (3) is fixedly mounted at the top of the box cover (2), a refrigeration compressor (4) is fixedly mounted inside the box body (1) above the refrigeration compressor (4), a cold air storage cavity (5) is arranged inside the box body (1) above the cold air storage cavity (5), a seal cabin body (6) is arranged inside the box body (1) above the cold air storage cavity (5), a placing plate (7) is fixedly mounted inside the seal cabin body (6), a seal closing cover (8) is rotatably mounted at the top of the seal cabin body (6), a rack (9) is fixedly mounted at one side of the seal cabin body (6), a first gear assembly (10) is meshed at one side of the rack (9), a bearing part (11) is arranged at one side of the first gear assembly (10), and a connecting rod (12) penetrating through the box body, the below meshing of first gear assembly (10) has second gear assembly (13), rotate on second gear assembly (13) and install first pivot (14), one side movable mounting of first pivot (14) has gear pole (15), spacing hole groove (16) have been seted up on the surface of gear pole (15), the inside of spacing hole groove (16) is provided with spacing pillar (17), one side meshing of gear pole (15) has third gear assembly (18), it installs second pivot (19) to rotate on third gear assembly (18), the one end fixed mounting of first pivot (14) has hand handle (20).
2. The biological cell storage box for genetic engineering according to claim 1, wherein: the surface of the box body (1) is provided with a power supply connecting jack.
3. The biological cell storage box for genetic engineering according to claim 1, wherein: the inside of the sealed cabin body (6) is provided with anti-collision sponge.
4. The biological cell storage box for genetic engineering according to claim 1, wherein: the number of the sealing cabin bodies (6) is four.
5. The biological cell storage box for genetic engineering according to claim 1, wherein: the top of the cold air storage cavity (5) is provided with a cold air outlet, and the bottom of the sealed cabin body (6) is provided with a cold air inlet corresponding to the cold air outlet.
6. The biological cell storage box for genetic engineering according to claim 1, wherein: the surface of the placing plate (7) is provided with a semicircular arc groove.
7. The biological cell storage box for genetic engineering as claimed in claims 1 and 4, wherein: the edge of the sealing cover (8) is provided with a sealing gasket, and the top of the sealing cover (8) is provided with a portable part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275183.XA CN112385644A (en) | 2020-11-16 | 2020-11-16 | Biological cell bin for genetic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275183.XA CN112385644A (en) | 2020-11-16 | 2020-11-16 | Biological cell bin for genetic engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112385644A true CN112385644A (en) | 2021-02-23 |
Family
ID=74599468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275183.XA Withdrawn CN112385644A (en) | 2020-11-16 | 2020-11-16 | Biological cell bin for genetic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112385644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142188A (en) * | 2021-03-12 | 2021-07-23 | 顾余 | Cell operation table providing ultralow temperature environment and operation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207712576U (en) * | 2017-12-11 | 2018-08-10 | 青岛市中心血站（青岛市公民义务献血办公室青岛市输血医学研究所） | A kind of blood storage case convenient for taking |
| CN110127170A (en) * | 2018-02-02 | 2019-08-16 | 武瑞京 | A kind of Bioexperiment sealing storing unit |
| CN209258758U (en) * | 2019-01-08 | 2019-08-16 | 沈阳工学院 | A kind of animal and veterinary vaccine storing unit |
| CN209947256U (en) * | 2019-04-28 | 2020-01-14 | 山西农业大学信息学院 | Garden design learns sand table teaching aid |
| KR102146379B1 (en) * | 2019-03-04 | 2020-08-21 | 고려대학교 산학협력단 | Apparatus for management of cryopreserved cells and method thereof |
| CN211372853U (en) * | 2019-09-20 | 2020-08-28 | 四川生脉源生物科技有限公司 | Stem cell sample storage box |
-
2020
- 2020-11-16 CN CN202011275183.XA patent/CN112385644A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207712576U (en) * | 2017-12-11 | 2018-08-10 | 青岛市中心血站（青岛市公民义务献血办公室青岛市输血医学研究所） | A kind of blood storage case convenient for taking |
| CN110127170A (en) * | 2018-02-02 | 2019-08-16 | 武瑞京 | A kind of Bioexperiment sealing storing unit |
| CN209258758U (en) * | 2019-01-08 | 2019-08-16 | 沈阳工学院 | A kind of animal and veterinary vaccine storing unit |
| KR102146379B1 (en) * | 2019-03-04 | 2020-08-21 | 고려대학교 산학협력단 | Apparatus for management of cryopreserved cells and method thereof |
| CN209947256U (en) * | 2019-04-28 | 2020-01-14 | 山西农业大学信息学院 | Garden design learns sand table teaching aid |
| CN211372853U (en) * | 2019-09-20 | 2020-08-28 | 四川生脉源生物科技有限公司 | Stem cell sample storage box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113142188A (en) * | 2021-03-12 | 2021-07-23 | 顾余 | Cell operation table providing ultralow temperature environment and operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112385644A (en) | Biological cell bin for genetic engineering | |
| CN214421713U (en) | Deep hypothermia reproduction sample access equipment based on automation | |
| CN210365294U (en) | Internal rotation type biological sample storage device | |
| CN112224671A (en) | Jar body rotates storage device that uncaps | |
| CN112938105A (en) | Automatic storage system for deep hypothermia reproductive samples | |
| CN117568173B (en) | Stem cell culture equipment | |
| CN212739326U (en) | Reagent article bin that bioengineering was used | |
| WO2023216768A1 (en) | Extraction operation room and intelligent sample access system | |
| CN208594829U (en) | A kind of fast opening and closing device of deep water analog machine | |
| CN216533482U (en) | Kidney tissue liquid nitrogen storage tank convenient to store and take | |
| CN116040105A (en) | Sample storage device for reproductive medicine | |
| CN211469058U (en) | Reagent box storage rack for cardiopulmonary function detection | |
| CN210595183U (en) | Stem cell cryopreservation tube opening and closing cover mechanism | |
| CN214224792U (en) | Battery simulation high-altitude low-voltage test box | |
| CN210664935U (en) | Lithium battery pressing test equipment | |
| CN214730603U (en) | Layer-stepping culture dish vacuum storage case | |
| CN108316799A (en) | Full-automatic door closer-holder for intelligent storage burn-in chamber crawl space | |
| CN220587360U (en) | A safe storage equipment for immune stem cell | |
| CN220786743U (en) | Desilication zirconium powder seals strorage device | |
| CN220054674U (en) | Cell preservation case with independent sample taking and placing functions | |
| CN212424002U (en) | Cover of sealed pot | |
| CN220930861U (en) | Full-size top cap automatic open-close liquid nitrogen tank | |
| CN208574654U (en) | A kind of metallic sodium storing unit convenient for sampling | |
| CN112429368A (en) | Lithium cell production material bin | |
| CN221038148U (en) | Water quality sampling device |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210223 |
|
| WW01 | Invention patent application withdrawn after publication |