CN109969569B - Medicine bottle device of taking for chemistry experiments - Google Patents
Medicine bottle device of taking for chemistry experiments Download PDFInfo
- Publication number
- CN109969569B CN109969569B CN201811631163.4A CN201811631163A CN109969569B CN 109969569 B CN109969569 B CN 109969569B CN 201811631163 A CN201811631163 A CN 201811631163A CN 109969569 B CN109969569 B CN 109969569B
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- Prior art keywords
- supporting
- group
- taking
- medicament
- positioning
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- Expired - Fee Related
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- 239000003814 drug Substances 0.000 title claims abstract description 118
- 229940079593 drug Drugs 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/38—Devices for discharging contents
- B65D25/52—Devices for discharging successive articles or portions of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
- Warehouses Or Storage Devices (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention provides a medicine bottle taking device for a chemical experiment, and relates to the field of chemical experiments. Realized can classifying the kind of medicament bottle, added and rotated regulation and telescoping device, improved the effect of conveniently taking. This medicament bottle device of taking for chemistry experiments, including supporting fixing device, rotating adjusting device, flexible device of taking, medicament bottle placer, the inside movable mounting that supports fixing device has rotating adjusting device, the bottom fixed mounting who rotates adjusting device has flexible device of taking. This medicament bottle device of taking for chemistry experiments through every group link shoe evenly distributed on the bottom surface that supports the carousel, and every group link shoe and support carousel fixed mounting, can classify the medicament bottle and put, places the same medicament bottle of a kind inside a plurality of groups location slotted holes on a set of medicament bottle places the board to the work efficiency of conveniently taking the medicament bottle has been improved.
Description
Technical Field
The invention relates to the technical field of chemical experiments, in particular to a medicine bottle taking device for chemical experiments.
Background
In the process of learning chemistry by students, chemical experiments are an indispensable teaching link, which is helpful for the students to understand chemical knowledge and can effectively improve the learning interest and the practical ability of the students to chemistry. Most direct placing of present chemistry experiment is with reagent bottle is on the operation mesa, and not only easy confusion mistake is taken, appears damaging, empting the scheduling problem moreover easily, very big influence experimental efficiency and quality. In addition, some chemical reagents need to be stored under certain low-temperature conditions, are generally placed in a refrigerated cabinet, but are inconvenient to take back and forth, and reagent bottles placed inside the refrigerated cabinet are difficult to take, so that the reagent bottles are very inconvenient.
Disclosure of Invention
The invention aims to provide a chemical experiment medicament bottle taking device which can classify the types of medicament bottles, can rotate one type of reagent bottles close to the inside of a refrigerated cabinet to one end of an outlet through rotation adjustment, and then pushes one type of reagent bottles out through a medicament bottle placing plate through a telescopic device, so that the medicament bottles are convenient to take.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a medicine bottle device of taking for chemistry experiments, includes and supports fixing device, rotates adjusting device, flexible device of taking, medicine bottle placer, the inside movable mounting who supports fixing device has rotation adjusting device, the bottom fixed mounting who rotates adjusting device has flexible device of taking, movable mounting has medicine bottle placer on the flexible device of taking.
The supporting and fixing device comprises a medicament refrigerating chamber, a rotary adjusting bin is arranged in the medicament refrigerating chamber, a supporting and positioning block is fixedly mounted at the bottom end of the rotary adjusting bin, an outlet groove is formed in one end of the medicament refrigerating chamber, a first motor is fixedly mounted at the upper end of the supporting and positioning block, a first connecting transmission shaft is movably mounted on the first motor, and a first gear is movably mounted at one end, away from the first motor, of the first connecting transmission shaft;
rotate adjusting device including supporting the location pivot, the bottom fixed mounting who supports the location pivot has No. two connecting drive shafts, the one end fixed mounting who supports the location pivot and keep away from No. two connecting drive shafts has the support carousel, movable mounting has the location support bearing on No. two connecting drive shafts, No. two connecting drive shafts keep away from the one end fixed mounting who supports the location pivot and have No. two gears.
The telescopic taking device comprises a plurality of groups of first connecting supporting blocks, wherein the bottom end of each group of first connecting supporting blocks is fixedly provided with a second connecting supporting block, a rectangular sliding groove is formed in the inside of each group of second connecting supporting blocks, supporting and positioning bearings are inlaid at two ends of each group of rectangular sliding grooves, a transmission threaded shaft is movably arranged at one end of each two groups of supporting and positioning bearings, and a second motor is fixedly arranged at one end of the transmission threaded shaft.
The medicament bottle placer includes that a plurality of groups support limit slide, and the equal fixed mounting in upper end that every group supported limit slide has the medicament bottle to place the board, and a plurality of groups of positioning slot holes have all been seted up to the upper end that every group medicament bottle placed the board, and the equal fixed mounting in bottom of every group positioning slot hole has medicament bottle protection sponge, and the equal movable mounting in bottom that every group medicament bottle placed the board has a plurality of groups to support the roller bearing.
Preferably, the rotation adjusting device is located inside the medicament refrigerating chamber, the second connecting transmission shaft penetrates through the inner wall of the medicament refrigerating chamber to the inside of the rotation adjusting bin, and the second gear is located inside the rotation adjusting bin.
Preferably, each group of first connecting and supporting blocks are uniformly distributed on the bottom surface of the supporting turntable, and each group of first connecting and supporting blocks are fixedly installed with the supporting turntable.
Preferably, the first gear and the second gear are matched, and the bottom end of the medicament refrigerating chamber is provided with a circular limiting slotted hole matched with the positioning support bearing.
Preferably, the threaded hole matched with the transmission threaded shaft is formed in the inner part of each group of supporting limit sliding blocks, and each group of supporting limit sliding blocks is located on the corresponding transmission threaded shaft.
Preferably, every group supports the back half district that limit slide all is located the medicine bottle that corresponds and places the board bottom, and the length of rectangle spout and the medicine bottle place the length phase-match that the board can stretch out.
Preferably, the length of each group of supporting rollers is greater than or equal to the width of the corresponding second connecting supporting block, and each group of rectangular sliding grooves are matched with the supporting limiting sliding blocks.
During the use, when the inside medicament bottle of medicament walk-in needs is taken out, start a motor, a motor drives a gear revolve through a joint drive axle, a gear meshes with No. two gears, drive No. two joint drive axles through No. two gears and rotate, No. two joint drive axles drive through the support location pivot and support the carousel and rotate, when supporting the carousel and will take out the medicament bottle and rotate export groove department, start corresponding No. two motors, No. two motors drive transmission threaded shaft and rotate, transmission threaded shaft meshes with the screw hole that supports the inside of limit slider, it slides on transmission threaded shaft to drive to support limit slider, it places the board through the medicament bottle and will take out the medicament bottle and carry out to support limit slider.
The invention provides a medicine bottle taking device for a chemical experiment. The method has the following beneficial effects:
1. this medicament bottle device of taking for chemistry experiments is located the inside of medicament walk-in through rotating adjusting device, and No. two connecting drive shafts run through the inner wall of medicament walk-in to the inside of rotating the regulation storehouse, and No. two gears are located the inside of rotating the regulation storehouse, can rotate the medicament bottle that will take to the export groove department to supporting the carousel to the work efficiency of conveniently taking the medicament bottle has been improved.
2. This medicament bottle device of taking for chemistry experiments, the screw hole that matches with transmission threaded shaft is seted up through every inside of group support limit slider, and every group supports limit slider and all is located the transmission threaded shaft that corresponds, every group supports limit slider and all is located the latter half district that board bottom was placed to the medicament bottle that corresponds, and the length of rectangle spout and the length phase-match that the board can stretch out are placed to the medicament bottle, make the medicament bottle place the board and stretch out very smoothly when coming, thereby the stability ability of medicament bottle device of taking for chemistry experiments and the medicament bottle of conveniently taking have been improved.
3. This medicament bottle device of taking for chemistry experiments through every group link shoe evenly distributed on the bottom surface that supports the carousel, and every group link shoe and support carousel fixed mounting, can classify the medicament bottle and put, places the same medicament bottle of a kind inside a plurality of groups location slotted holes on a set of medicament bottle places the board to the work efficiency of conveniently taking the medicament bottle has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the vial positioning device of the present invention;
FIG. 3 is a bottom view of the telescopic pick-up unit of the present invention;
FIG. 4 is a schematic view of the rotation adjusting device of the present invention;
FIG. 5 is a side cross-sectional view of the telescopic pickup unit of the present invention;
fig. 6 is a schematic structural view of the medicine bottle placing device.
In the figure: the automatic medicine bottle taking device comprises a supporting and fixing device 1, a medicine refrigerating box 101, a medicine refrigerating chamber 102, a rotating and adjusting bin 103, a supporting and positioning block 104, an outlet groove 105, a motor 106I, a connecting transmission shaft 107I, a gear 108I, a rotating and adjusting device 2, a supporting and positioning rotating shaft 201, a connecting transmission shaft 202 II, a supporting turntable 203, a positioning and supporting bearing 204, a gear 205 II, a telescopic taking device 3, a connecting and supporting block 301I, a connecting and supporting block 302 II, a rectangular sliding groove 303, a supporting and positioning bearing 304, a transmission threaded shaft 305, a motor 306 II, a medicine bottle placing device 4, a supporting and limiting sliding block 401, a medicine bottle placing plate 402, a positioning slotted hole, a medicine bottle protecting sponge 404 and a supporting rolling shaft 405.
Detailed Description
As shown in figures 1-6, a device of taking medicine bottle for chemistry experiments, including support fixing device 1, rotate adjusting device 2, flexible device of taking 3, medicine bottle placer 4, the inside movable mounting who supports fixing device 1 has rotation adjusting device 2, and the bottom fixed mounting who rotates adjusting device 2 has flexible device of taking 3, and the last movable mounting of flexible device of taking 3 has medicine bottle placer 4.
Support fixing device 1 and include medicament fridge 101, medicament fridge 102 has been seted up to medicament fridge 101's inside, rotation regulation storehouse 103 has been seted up to medicament fridge 101's inside, the bottom fixed mounting who rotates regulation storehouse 103 has supporting location piece 104, outlet groove 105 has been seted up to medicament fridge 101's one end, supporting location piece 104's upper end fixed mounting has a motor 106, movable mounting has a connection transmission shaft 107 on a motor 106, one end movable mounting that a connection transmission shaft 107 kept away from a motor 106 has a gear 108.
The rotation adjusting device 2 comprises a supporting and positioning rotating shaft 201, a second connecting transmission shaft 202 is fixedly mounted at the bottom end of the supporting and positioning rotating shaft 201, a supporting turntable 203 is fixedly mounted at one end, away from the second connecting transmission shaft 202, of the supporting and positioning rotating shaft 201, a positioning and supporting bearing 204 is movably mounted on the second connecting transmission shaft 202, and a second gear 205 is fixedly mounted at one end, away from the supporting and positioning rotating shaft 201, of the second connecting transmission shaft 202.
The telescopic taking device 3 comprises a plurality of groups of first connecting supporting blocks 301, the bottom end of each group of first connecting supporting blocks 301 is fixedly provided with a second connecting supporting block 302, the inside of each group of second connecting supporting blocks 302 is provided with a rectangular sliding groove 303, the two ends of each group of rectangular sliding grooves 303 are inlaid with supporting and positioning bearings 304, each two groups of supporting and positioning bearings 304 are provided with a transmission threaded shaft 305 in a relative end, and one end of the transmission threaded shaft 305 is fixedly provided with a second motor 306.
The medicament bottle placing device 4 comprises a plurality of groups of supporting limiting sliding blocks 401, wherein a medicament bottle placing plate 402 is fixedly mounted at the upper end of each group of supporting limiting sliding blocks 401, a plurality of groups of positioning slotted holes 403 are formed in the upper end of each group of medicament bottle placing plate 402, medicament bottle protecting sponges 404 are fixedly mounted at the bottom ends of each group of positioning slotted holes 403, and a plurality of groups of supporting rolling shafts 405 are movably mounted at the bottom ends of each group of medicament bottle placing plate 402.
The rotary adjusting device 2 is positioned inside the medicament refrigerating chamber 102, the second connecting transmission shaft 202 penetrates through the inner wall of the medicament refrigerating chamber 102 to the inside of the rotary adjusting bin 103, and the second gear 205 is positioned inside the rotary adjusting bin 103.
Each group of the first connecting and supporting blocks 301 are uniformly distributed on the bottom surface of the supporting turntable 203, and each group of the first connecting and supporting blocks 301 and the supporting turntable 203 are fixedly installed, the first gear 108 and the second gear 205 are arranged to be matched, and the bottom end of the medicament refrigerating chamber 102 is provided with a circular limiting slot hole matched with the positioning support bearing 204, the inside of each group of support limiting slide blocks 401 is provided with a threaded hole matched with the transmission threaded shaft 305, and each group of supporting and limiting slide blocks 401 is positioned on the corresponding transmission threaded shaft 305, each group of supporting and limiting slide blocks 401 is positioned on the rear half area of the bottom of the corresponding medicament bottle placing plate 402, and the length of the rectangular sliding groove 303 is matched with the length that the medicament bottle placing plate 402 can stretch out, the length of each group of supporting rollers 405 is larger than or equal to the width of the corresponding second connecting and supporting block 302, and the rectangular sliding groove 303 and the supporting limit sliding block 401 of each group are matched. When the device is used, when a medicine bottle in the medicine refrigerating chamber 102 needs to be taken out, the first motor 106 is started, the first motor 106 drives the first gear 108 to rotate through the first connecting transmission shaft 107, the first gear 108 is meshed with the second gear 205, the second connecting transmission shaft 202 is driven to rotate through the second gear 205, the second connecting transmission shaft 202 drives the supporting turntable 203 to rotate through the supporting and positioning rotating shaft 201, when the medicine bottle needing to be taken out is rotated to the outlet groove 105 by the supporting turntable 203, the corresponding second motor 306 is started, the second motor 306 drives the transmission threaded shaft 305 to rotate, the transmission threaded shaft 305 is meshed with a threaded hole in the supporting and limiting slide block 401 to drive the supporting and limiting slide block 401 to slide on the transmission threaded shaft 305, the supporting and limiting slide block 401 conveys the medicine bottle needing to be taken out through the medicine bottle placing plate 402, and the device for taking out the medicine bottle for chemical experiments, the chemical experiment medicament bottle taking device is characterized in that the rotary adjusting device 2 is positioned in the medicament refrigerating chamber 102, the second connecting transmission shaft 202 penetrates through the inner wall of the medicament refrigerating chamber 102 to the inside of the rotary adjusting bin 103, the second gear 205 is positioned in the rotary adjusting bin 103, the supporting turntable 203 can be rotated to rotate a medicament bottle to be taken to the outlet groove 105, so that the working efficiency of conveniently taking the medicament bottle is improved, a threaded hole matched with the transmission threaded shaft 305 is formed in each group of supporting limiting sliding blocks 401, each group of supporting limiting sliding blocks 401 is positioned on the corresponding transmission threaded shaft 305, each group of supporting limiting sliding blocks 401 is positioned in the rear half area of the bottom of the corresponding medicament bottle placing plate 402, the length of the rectangular sliding groove 303 is matched with the length of the medicament bottle placing plate 402 which can extend out, and the medicament bottle placing plate 402 can extend out smoothly, thereby the stability ability of the device of taking of medicament bottle for chemistry experiments and the medicament bottle of conveniently taking have been improved, this device of taking of medicament bottle for chemistry experiments, connect supporting shoe 301 evenly distributed on the bottom surface that supports carousel 203 through every group, and connect supporting shoe 301 and support carousel 203 fixed mounting every group, can classify the medicament bottle and put, place the inside of a plurality of groups positioning groove hole 403 on a set of medicament bottle placing plate 402 with the same a type of medicament bottle, thereby the work efficiency of the medicament bottle of conveniently taking has been improved.
Claims (1)
1. The utility model provides a medicine bottle device of taking for chemistry experiments, includes support fixing device (1), rotation adjusting device (2), flexible device (3), the medicine bottle placer (4) of taking, its characterized in that: a rotary adjusting device (2) is movably mounted inside the supporting and fixing device (1), a telescopic taking device (3) is fixedly mounted at the bottom end of the rotary adjusting device (2), and a medicine bottle placing device (4) is movably mounted on the telescopic taking device (3); the supporting and fixing device (1) comprises a medicament refrigerating box (101), a medicament refrigerating chamber (102) is formed in the medicament refrigerating box (101), a rotating adjusting bin (103) is formed in the medicament refrigerating box (101), a supporting and positioning block (104) is fixedly installed at the bottom end of the rotating adjusting bin (103), an outlet groove (105) is formed in one end of the medicament refrigerating box (101), a first motor (106) is fixedly installed at the upper end of the supporting and positioning block (104), a first connecting transmission shaft (107) is movably installed on the first motor (106), and a first gear (108) is movably installed at one end, away from the first motor (106), of the first connecting transmission shaft (107); the rotation adjusting device (2) comprises a supporting and positioning rotating shaft (201), a second connecting transmission shaft (202) is fixedly installed at the bottom end of the supporting and positioning rotating shaft (201), a supporting turntable (203) is fixedly installed at one end, far away from the second connecting transmission shaft (202), of the supporting and positioning rotating shaft (201), a positioning and supporting bearing (204) is movably installed on the second connecting transmission shaft (202), and a second gear (205) is fixedly installed at one end, far away from the supporting and positioning rotating shaft (201), of the second connecting transmission shaft (202); the telescopic taking device (3) comprises a plurality of groups of first connecting supporting blocks (301), a second connecting supporting block (302) is fixedly mounted at the bottom end of each group of first connecting supporting blocks (301), a rectangular sliding groove (303) is formed in each group of second connecting supporting blocks (302), supporting and positioning bearings (304) are inlaid at two ends of each group of rectangular sliding grooves (303), a transmission threaded shaft (305) is movably mounted at one opposite end of each two groups of supporting and positioning bearings (304), and a second motor (306) is fixedly mounted at one end of the transmission threaded shaft (305); the medicine bottle placing device (4) comprises a plurality of groups of supporting and limiting sliding blocks (401), a medicine bottle placing plate (402) is fixedly installed at the upper end of each group of supporting and limiting sliding blocks (401), a plurality of groups of positioning slotted holes (403) are formed in the upper end of each group of medicine bottle placing plate (402), medicine bottle protecting sponges (404) are fixedly installed at the bottom end of each group of positioning slotted holes (403), and a plurality of groups of supporting rolling shafts (405) are movably installed at the bottom end of each group of medicine bottle placing plate (402); the rotary adjusting device (2) is positioned inside the medicament refrigerating chamber (102), the second connecting transmission shaft (202) penetrates through the inner wall of the medicament refrigerating chamber (102) to the inside of the rotary adjusting bin (103), and the second gear (205) is positioned inside the rotary adjusting bin (103); each group of first connecting support blocks (301) are uniformly distributed on the bottom surface of the supporting turntable (203), and each group of first connecting support blocks (301) and the supporting turntable (203) are fixedly installed; the first gear (108) is matched with the second gear (205), and the bottom end of the medicament refrigerating chamber (102) is provided with a circular limiting groove hole matched with the positioning support bearing (204); threaded holes matched with the transmission threaded shafts (305) are formed in the supporting and limiting sliding blocks (401), and each supporting and limiting sliding block (401) is located on the corresponding transmission threaded shaft (305); each group of supporting and limiting sliding blocks (401) is positioned in the rear half area of the bottom of the corresponding medicine bottle placing plate (402), and the length of the rectangular sliding groove (303) is matched with the length of the medicine bottle placing plate (402) which can stretch out; the length of each group of supporting rollers (405) is larger than or equal to the width of the corresponding second connecting supporting block (302), and each group of rectangular sliding grooves (303) are matched with the supporting limiting sliding blocks (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631163.4A CN109969569B (en) | 2018-12-29 | 2018-12-29 | Medicine bottle device of taking for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631163.4A CN109969569B (en) | 2018-12-29 | 2018-12-29 | Medicine bottle device of taking for chemistry experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109969569A CN109969569A (en) | 2019-07-05 |
| CN109969569B true CN109969569B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811631163.4A Expired - Fee Related CN109969569B (en) | 2018-12-29 | 2018-12-29 | Medicine bottle device of taking for chemistry experiments |
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| CN (1) | CN109969569B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113018562B (en) * | 2021-02-26 | 2022-08-02 | 郭旖旎 | Injector dispensing device for hematology department |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907116A (en) * | 2015-07-02 | 2015-09-16 | 济南大学 | Fetching device of test tubes for cell cultivation |
| CN204746381U (en) * | 2015-07-13 | 2015-11-11 | 王琳娜 | Clinical laboratory's test tube case |
| CN207546581U (en) * | 2017-11-03 | 2018-06-29 | 广东中智源实验室装备制造有限公司 | A kind of chemical laboratory rack for test tube |
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- 2018-12-29 CN CN201811631163.4A patent/CN109969569B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN109969569A (en) | 2019-07-05 |
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