CN212792119U - Laboratory bench belt cleaning device - Google Patents
Laboratory bench belt cleaning device Download PDFInfo
- Publication number
- CN212792119U CN212792119U CN202021582487.6U CN202021582487U CN212792119U CN 212792119 U CN212792119 U CN 212792119U CN 202021582487 U CN202021582487 U CN 202021582487U CN 212792119 U CN212792119 U CN 212792119U
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- China
- Prior art keywords
- roller
- brush
- sliding bearing
- bearing plate
- belt
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- 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.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000005406 washing Methods 0.000 claims abstract description 32
- 238000007790 scraping Methods 0.000 claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 36
- 239000002585 base Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cleaning In General (AREA)
Abstract
The utility model discloses a laboratory bench belt cleaning device, which comprises a supporting pedestal and is characterized by further comprising, belt conveyer, the slip loading board, high-pressure washing unit, two roller scraping device and bilge pit, belt conveyer locates on the support base, the slip loading board slides and locates on the belt transmission, two roller scraping device locate slip loading board one end, the slip loading board other end is located to high-pressure washing unit, the bilge pit is located the support base and is kept away from slip loading board one end, high-pressure washing unit includes the support frame, the splashproof encloses the fender, wash the spray tube, the brush, the chamber is placed to the motor, keep in chamber and water pump, the support frame is the symmetry setting and. The utility model belongs to the technical field of laboratory paraphernalia, specifically be one kind can control and wash the subassembly and make a round trip to strike off on the laboratory bench and wash the laboratory bench face, realize wasing the multiple efficient of laboratory bench face, the cleaning performance is good, and can prevent to splash, can carry out the laboratory bench belt cleaning device who collects sewage.
Description
Technical Field
The utility model belongs to the technical field of laboratory paraphernalia, especially, relate to a laboratory bench belt cleaning device.
Background
The experiment table surface generally adopts an epoxy resin plate, a solid physiochemical plate, a ceramic plate, a marble plate, a Qianshi plate, a stainless steel plate and the like, the surface is technically treated, the experiment table surface is smooth and has no pores, acid and alkali resistance, corrosion resistance and edge milling treatment are realized, and the corrosion resistance and the water resistance of the experiment table surface all reach the high-quality standard of the laboratory industry.
Chemistry experiment table is the indispensable articles for use in the middle of the laboratory, usually when the experiment, need prepare required various instruments and reagent of experiment, the desktop is contaminated easily in the experimentation, sometimes there are corrosive reagent such as strong acid to drip to the experiment table mesa on, after the experiment, the staff can only clear up with the rag, this kind of clearance mode is not only more troublesome, and efficiency is lower, there is very big potential safety hazard in the exactly clearance process in addition one disadvantage, people's skin is touched easily to corrosive reagents such as strong acid in the clearance process, burn human skin easily, cause protein denaturation and coagulability necrosis in the skin tissue.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a laboratory bench belt cleaning device can control and wash the subassembly and make a round trip to strike and wash the washing experiment mesa on experiment mesa, realizes wasing the multiple efficient of experiment mesa, and the cleaning performance is good, and can prevent to splash, can collect sewage, and the practicality is strong, has solved the problem in the background art.
The utility model adopts the technical scheme as follows: a cleaning device for a laboratory bench comprises a supporting base, a belt conveying device, a sliding bearing plate, a high-pressure flushing device, a double-roller scraping device and a sewage tank, wherein the belt conveying device is arranged on the supporting base, the sliding bearing plate is arranged on the supporting base in a sliding clamping manner and is arranged on a belt transmission device, the double-roller scraping device is arranged at one end of the sliding bearing plate, the high-pressure flushing device is arranged at the other end of the sliding bearing plate, the sewage tank is arranged at one end of the supporting base away from the sliding bearing plate, the high-pressure flushing device comprises a supporting frame, a splash-proof enclosure, a flushing spray pipe, a hairbrush, a motor placing cavity, a temporary storage cavity and a water pump, the supporting frame is symmetrically arranged at two sides of the sliding bearing plate, the splash-proof enclosure is arranged between the supporting frame and is arranged above the sliding bearing plate, strike off the brush and be the symmetry setting, the motor is placed the chamber and is located the splashproof and enclose and keep off, the motor is located to the water pump and places the intracavity, keep in the chamber and locate the splashproof and enclose upper portion in keeping off, the chamber of keeping in is connected with the washing spray tube, the washing spray tube is located the splashproof and encloses in the fender, the washing spray tube is even interval setting, the water pump is connected with inlet tube and outlet pipe, the outlet pipe intercommunication is located the water pump and is kept in between the chamber.
Further, two roller scraping device include the brush roller, absorb water drying roller, scraper blade, strike off dead lever, brush dead lever and the dead lever that absorbs water, the brush dead lever is the symmetry setting and locates slip loading board both sides, strike off the dead lever and be the symmetry setting and locate slip loading board both sides, slip loading board both sides are located to the brush dead lever, the brush dead lever is and is close to the support frame setting, the dead lever that absorbs water is and keeps away from the support frame setting, strike off the dead lever and locate between brush dead lever and the dead lever that absorbs water, the brush roller is located on the brush dead lever, the scraper blade is located on striking off the dead lever, on the dead lever that absorbs water is located to the drying roller, brush roller, scraper blade and the drying roller that absorbs water roll on the experiment mesa in proper order, realize multiple cleanness and dry to.
Furthermore, a filter screen is arranged in the sewage tank to separate and classify impurities and water in the sewage.
Further, the belt conveying device comprises a conveying motor, a driving roller, partition plates, driven rollers, belts, position sensors, a controller, limiting rods and connecting rods, wherein the partition plates are symmetrically arranged at two ends inside the supporting base, the position sensors are symmetrically arranged on the side walls of the partition plates far away from each other, the conveying motor is arranged in the supporting base, one end of the driving roller is arranged at the output end of the conveying motor, the other end of the driving roller is rotatably arranged on the side walls of the supporting base, the driven rollers are rotatably arranged on the two opposite side walls of the supporting base, the driven rollers are arranged close to the sewage groove, two ends of the belts are wound on the driving roller and the driven rollers, the limiting rods are arranged between the partition plates and are arranged above the belts, the sliding bearing plates are slidably arranged on the limiting rods, and the connecting rods are arranged between the sliding bearing, the controller is arranged in the supporting base and is electrically connected with the position sensor, the controller is electrically connected with the conveying motor, the controller controls the forward and reverse rotation of the transmission motor through receiving signals of the position sensor, so that the sliding position of the sliding bearing plate is controlled, and the belt conveying device realizes the back and forth controllable cleaning experiment table of the high-pressure washing device and the double-roller scraping device on the experimental surface.
Furthermore, the outer wall of the brush roller is provided with a brush, the outer wall of the water absorption drying roller is provided with a water absorption towel, the brush plays a cleaning role on the experiment table board, and the water absorption towel plays a water absorption effect.
After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model relates to an experiment table cleaning device, which realizes the high-pressure washing and the brushing of sundries on the experiment table surface through the arranged high-pressure washing device and can avoid the splashing of water during the washing; the double-roller scraping device is arranged, so that multiple cleaning of the experiment table top and scraping of dirt which is difficult to remove on the experiment table top are realized, and the cleaning effect is good; this device can control and wash the subassembly and make a round trip to strike off on the experiment mesa and wash the washing experiment mesa, realizes wasing the multiple efficient of experiment mesa, and the cleaning performance is good, and can prevent to splash, can collect sewage, and the practicality is strong.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural view of a high-pressure washing device of a laboratory bench cleaning device according to the present invention;
fig. 2 is a schematic view of the internal structure of the supporting base of the laboratory bench cleaning device of the present invention;
fig. 3 is the utility model relates to a fender structure schematic diagram is enclosed in laboratory bench belt cleaning device's splashproof.
In the drawings: 1. support base, 2, belt conveyer, 3, sliding bearing board, 4, high-pressure washing device, 5, two roller scraping device, 6, sewage tank, 7, support frame, 8, splashproof enclose fender, 9, wash spray tube, 10, scrape brush, 11, motor placement chamber, 12, temporary storage chamber, 13, water pump, 14, inlet tube, 15, outlet pipe, 16, brush roller, 17, water absorption drying roller, 18, scraper blade, 19, scraping fixed rod, 20, brush fixed rod, 21, water absorption fixed rod, 22, filter screen, 23, conveying motor, 24, drive roll, 25, baffle, 26, driven roller, 27, belt, 28, position sensor, 29, controller, 30, limiting rod, 31, connecting rod, 32, cleaning brush, 33, water absorption towel.
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 some embodiments of the present invention, not all embodiments; 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.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1-3, a cleaning device for laboratory tables comprises a supporting base 1, a belt 27 conveyor 2, a sliding bearing plate 3, a high-pressure washing device 4, a double-roller scraping device 5 and a sewage tank 6, wherein the belt 27 conveyor 2 is arranged on the supporting base 1, the sliding bearing plate 3 is slidably clamped on the supporting base 1 and arranged on a belt 27 transmission device, the double-roller scraping device 5 is arranged at one end of the sliding bearing plate 3, the high-pressure washing device 4 is arranged at the other end of the sliding bearing plate 3, the sewage tank 6 is arranged at one end of the supporting base 1 far away from the sliding bearing plate 3, the high-pressure washing device 4 comprises a supporting frame 7, a splash-proof enclosure 8, a washing spray pipe 9, a brush, a motor placing cavity 11, a temporary storage cavity 12 and a water pump 13, the supporting frame 7 is symmetrically arranged at two sides of the sliding bearing plate 3, the splash-proof enclosure 8 is arranged, the splashproof encloses fender 8 and is lower extreme opening cavity setting, strike off brush 10 and locate the splashproof and enclose 8 bottom openings of fender openings, it is the symmetry setting to strike off brush 10, the motor is placed chamber 11 and is located the splashproof and encloses on keeping off 8, water pump 13 is located the motor and is placed the intracavity 11, keep in chamber 12 and locate the splashproof and enclose 8 interior upper portions of fender, keep in chamber 12 and be connected with washing spray tube 9, washing spray tube 9 is located the splashproof and encloses in keeping off 8, washing spray tube 9 is even interval setting, water pump 13 is connected with inlet tube 14 and outlet pipe 15, outlet pipe 15 intercommunication is located water pump 13 and is kept in between the chamber 12.
Wherein, the double-roller scraping device 5 comprises a brush roller 16, a water-absorbing drying roller 17, a scraper 18, a scraping fixing rod 19, a brush fixing rod 20 and a water-absorbing fixing rod 21, the brush fixing rod 20 is symmetrically arranged at two sides of the sliding bearing plate 3, the scraping fixing rod 19 is symmetrically arranged at two sides of the sliding bearing plate 3, the brush fixing rod 20 is arranged close to the support frame 7, the water-absorbing fixing rod 21 is arranged far away from the support frame 7, the scraping fixing rod 19 is arranged between the brush fixing rod 20 and the water-absorbing fixing rod 21, the brush roller 16 is arranged on the brush fixing rod 20, the scraper 18 is arranged on the scraping fixing rod 19, the water-absorbing drying roller 17 is arranged on the water-absorbing fixing rod 21, the brush roller 16, the scraper 18 and the water-absorbing drying roller 17 roll on the experiment table, the cleaning effect is good; a filter screen 22 is arranged in the sewage tank 6 to separate and classify impurities and water in the sewage; the belt 27 conveying device 2 comprises a conveying motor 23, a driving roller 24, partition plates 25, driven rollers 26, a belt 27, position sensors 28, a controller 29, a limiting rod 30 and a connecting rod 31, wherein the partition plates 25 are symmetrically arranged at two ends inside the supporting base 1, the position sensors 28 are symmetrically arranged on the side walls of the partition plates 25 far away from each other, the conveying motor 23 is arranged in the supporting base 1, one end of the driving roller 24 is arranged at the output end of the conveying motor 23, the other end of the driving roller 24 is rotatably arranged on the side walls of the supporting base 1, the driven rollers 26 are rotatably arranged on two opposite side walls of the supporting base 1, the driven rollers 26 are arranged close to the sewage tank 6, two ends of the belt 27 are wound on the driving roller 24 and the driven rollers 26, the limiting rod 30 is arranged between the partition plates 25, the limiting rod 30 is arranged above the belt 27, and the sliding bearing plate 3 is slidably arranged, the connecting rod 31 is arranged between the sliding bearing plate 3 and the belt 27, the controller 29 is arranged in the supporting base 1, the controller 29 is electrically connected with the position sensor 28, the controller 29 is electrically connected with the conveying motor 23, the controller 29 controls the forward and reverse rotation of the transmission motor by receiving signals of the position sensor 28 so as to control the sliding position of the sliding bearing plate 3, and the belt 27 conveying device 2 realizes that the high-pressure washing device 4 and the double-roller scraping device 5 can be used for cleaning the experiment table in a back and forth controllable mode on the experiment surface; the outer wall of the brush roller 16 is provided with a brush, the outer wall of the water absorption drying roller 17 is provided with a water absorption towel 33, the brush plays a cleaning role on the experiment table board, and the water absorption towel 33 plays a water absorption effect.
When the device is used specifically, the device is placed on an experiment table top, the supporting base is arranged below the experiment table top, and the high-pressure washing device 4 and the double-roller scraping device 5 are arranged in a manner of being attached to the experiment table top; the water inlet pipe 14 is externally connected with a water source; starting the water pump 13, enabling the water pump 13 to enter the temporary storage cavity 12 and to be sprayed out through the washing spray pipe 9 to wash the experiment table top, and preventing the water flow from splashing by the splash-proof enclosure 8; the controller 29, the position sensor 28 and the conveying motor 23 are started, the output end of the conveying motor 23 rotates to drive the driving roller 24 to rotate, the driving roller 24 rotates to drive the leather and the driven roller 26 to rotate, the belt 27 moves to drive the connecting rod 31 and the sliding bearing plate 3 to slide along the limiting rod 30, when the sliding bearing plate 3 moves to the position of the partition plate 25, the position sensor 28 sends a monitored position signal to the controller 29, and the controller 29 controls the conveying motor 23 to rotate reversely to drive the sliding bearing plate 3 to move towards the direction far away from the partition plate 25; the sliding bearing plate 3 moves to drive the high-pressure washing device 4 and the double-roller scraping device 5 to move along the experiment table top to clean the experiment table top; the splash-proof enclosure 8 drives the scraping brush 10 to move on the experiment table top to clean the table top and push sewage to move along with the splash-proof enclosure 8, and when the splash-proof enclosure 8 moves to the sewage tank 6, the sewage flows into the sewage tank 6; the brush roller 16 of the double-roller scraping device 5 rotates on the experiment table top to move the cleaning table top, the scraper 18 moves along the experiment table top to scrape the cleaning table top, and the water-absorbing drying roller 17 rotates on the experiment table top to move the table top which is cleaned by water absorbing drying to complete multiple cleaning of the experiment table top.
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. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a laboratory bench belt cleaning device which characterized in that: comprises a supporting base, a belt conveying device, a sliding bearing plate, a high-pressure washing device, a double-roller scraping device and a sewage tank, wherein the belt conveying device is arranged on the supporting base, the sliding bearing plate is arranged on the supporting base in a sliding clamping way and is arranged on a belt transmission device, the double-roller scraping device is arranged at one end of the sliding bearing plate, the high-pressure washing device is arranged at the other end of the sliding bearing plate, the sewage tank is arranged at one end of the supporting base away from the sliding bearing plate, the high-pressure washing device comprises a supporting frame, a splash-proof enclosure, a washing spray pipe, a scraping brush, a motor placing cavity, a temporary storage cavity and a water pump, the supporting frame is symmetrically arranged at two sides of the sliding bearing plate, the splash-proof enclosure is arranged between the supporting frames and is arranged above the sliding bearing plate, strike off the brush and be the symmetry setting, the motor is placed the chamber and is located the splashproof and enclose and keep off, the motor is located to the water pump and places the intracavity, keep in the chamber and locate the splashproof and enclose upper portion in keeping off, the chamber of keeping in is connected with the washing spray tube, the washing spray tube is located the splashproof and encloses in the fender, the washing spray tube is even interval setting, the water pump is connected with inlet tube and outlet pipe, the outlet pipe intercommunication is located the water pump and is kept in between the chamber.
2. A laboratory bench cleaning apparatus according to claim 1, characterized in that: the double-roller scraping device comprises a brush roller, a water-absorbing drying roller, a scraper, scraping fixing rods, a brush fixing rod and a water-absorbing fixing rod, wherein the brush fixing rod is symmetrically arranged on two sides of a sliding bearing plate, the scraping fixing rods are symmetrically arranged on two sides of the sliding bearing plate, the brush fixing rods are close to a support frame, the water-absorbing fixing rods are far away from the support frame, the scraping fixing rods are arranged between the brush fixing rods and the water-absorbing fixing rods, the brush roller is arranged on the brush fixing rods, the scraper is arranged on the scraping fixing rods, and the water-absorbing drying roller is arranged on the.
3. A laboratory bench cleaning apparatus according to claim 1, characterized in that: a filter screen is arranged in the sewage tank.
4. A laboratory bench cleaning apparatus according to claim 1, characterized in that: the belt conveying device comprises a conveying motor, a driving roller, partition plates, a driven roller, a belt, position sensors, a controller, a limiting rod and a connecting rod, wherein the partition plates are symmetrically arranged at two ends inside a supporting base, the position sensors are symmetrically arranged on the side walls of the partition plates far away from each other, the conveying motor is arranged in the supporting base, one end of the driving roller is arranged at the output end of the conveying motor, the other end of the driving roller is rotatably arranged on the side walls of the supporting base, the driven roller is rotatably arranged on the two opposite side walls of the supporting base, the driven roller is arranged close to a sewage tank, two ends of the belt are wound on the driving roller and the driven roller, the limiting rod is arranged between the partition plates and is arranged above the belt, a sliding bearing plate is slidably arranged on the limiting rod, the connecting rod is arranged between the sliding bearing plate and the, the controller is electrically connected with the position sensor and the conveying motor.
5. A laboratory bench cleaning apparatus according to claim 2, characterized in that: the outer wall of the brush roller is provided with a cleaning brush, and the outer wall of the water absorption drying roller is provided with a water absorption towel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582487.6U CN212792119U (en) | 2020-08-03 | 2020-08-03 | Laboratory bench belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582487.6U CN212792119U (en) | 2020-08-03 | 2020-08-03 | Laboratory bench belt cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212792119U true CN212792119U (en) | 2021-03-26 |
Family
ID=75107317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021582487.6U Expired - Fee Related CN212792119U (en) | 2020-08-03 | 2020-08-03 | Laboratory bench belt cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212792119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546714A (en) * | 2021-07-30 | 2021-10-26 | 亿普特集团有限公司 | High-protective-performance all-steel experiment table cabinet |
| CN114797676A (en) * | 2022-06-07 | 2022-07-29 | 江西国化实业有限公司 | Production device and processing method of 2, 4-difluorobenzonitrile |
| CN115430635A (en) * | 2022-10-08 | 2022-12-06 | 江西齐美科教设备有限公司 | Device convenient to clearance experiment desktop |
-
2020
- 2020-08-03 CN CN202021582487.6U patent/CN212792119U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546714A (en) * | 2021-07-30 | 2021-10-26 | 亿普特集团有限公司 | High-protective-performance all-steel experiment table cabinet |
| CN114797676A (en) * | 2022-06-07 | 2022-07-29 | 江西国化实业有限公司 | Production device and processing method of 2, 4-difluorobenzonitrile |
| CN114797676B (en) * | 2022-06-07 | 2023-12-15 | 江西国化实业有限公司 | Production device and processing method of 2, 4-difluorobenzonitrile |
| CN115430635A (en) * | 2022-10-08 | 2022-12-06 | 江西齐美科教设备有限公司 | Device convenient to clearance experiment desktop |
| CN115430635B (en) * | 2022-10-08 | 2023-10-31 | 江西齐美科教设备有限公司 | Device convenient to clearance experiment desktop |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |