CN108542118A - A kind of portable economy and finance class file storage device - Google Patents

A kind of portable economy and finance class file storage device Download PDF

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Publication number
CN108542118A
CN108542118A CN201810705338.5A CN201810705338A CN108542118A CN 108542118 A CN108542118 A CN 108542118A CN 201810705338 A CN201810705338 A CN 201810705338A CN 108542118 A CN108542118 A CN 108542118A
Authority
CN
China
Prior art keywords
bottom case
shell
storage device
class file
file storage
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Withdrawn
Application number
CN201810705338.5A
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Chinese (zh)
Inventor
方义才
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Kuifeng Business Consulting Service Co Ltd
Original Assignee
Foshan Kuifeng Business Consulting Service Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Kuifeng Business Consulting Service Co Ltd filed Critical Foshan Kuifeng Business Consulting Service Co Ltd
Priority to CN201810705338.5A priority Critical patent/CN108542118A/en
Publication of CN108542118A publication Critical patent/CN108542118A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B23/00Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B65/00Book-troughs; Accessories specially adapted for book-storing, e.g. book-ends
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00Fittings for furniture
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00Furniture or accessories for furniture, not provided for in other groups of this subclass

Landscapes

  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

The present invention relates to economy and finance fields, specifically a kind of portable economy and finance class file storage device, including storage shell and bottom case, store the top that shell is mounted on bottom case, it stores and is equipped with several demarcation strips in shell, the inner space for storing shell is separated into several accommodation spaces by several demarcation strips, it is equipped with placement mechanism in each accommodation space, the bottom end of each accommodation space is equipped with sliding slot, the bottom end of each sliding slot is equipped with telescoping mechanism, each telescoping mechanism is installed in storage shell bottom, several position-limit mechanisms are equipped in bottom case, the side of each position-limit mechanism is equipped with testing agency, the front end of bottom case is equipped with operating mechanism, accumulator and controller are additionally provided in bottom case, accumulator, position-limit mechanism, operating mechanism and testing agency are electrically connected with controller.The present invention is realized carries out classified storage to file, and convenient for management, collide when avoiding file confusion, and staff can also be avoided to take file with storage shell friction.

Description

A kind of portable economy and finance class file storage device
Technical field
The present invention relates to economy and finance field, specifically a kind of portable economy and finance class file storage device.
Background technology
Economics to understanding and instructing the reform and development of China's economic, to help people routine work in life into Row rational decision making all has a very important role, as a scientific stronger subject, economics itself in social science Development be filled with vigor, while also to social science Other subjects -- the development of especially management, the science of law, political science plays Important impetus.Therefore, economic research and application have broad prospects.For with relevant of financial economy class For raw and staff, storage file is a very important thing, since relevant file is very more and different The file of class needs to store, it is necessary to a large amount of document storage cassette.For traditional file storage box, a file storage Box can only store a class file, and when the Documents Comparison of storage is more, be easy to put unrest, be not easy to classify and manage.It is working When personnel take out the process of file from file storage box, file is easy to generate collision friction with the frame of file storage box, to Lead to file corruption.
Invention content
The purpose of the present invention is to provide a kind of portable economy and finance class file storage devices, to solve traditional economy Financial class file Storage Box cannot carry out file classified storage and hold when taking out file out of economy and finance class file Storage Box Flimsy problem.
The technical scheme is that:Including storage shell and bottom case, the storage shell is mounted on the top of bottom case, the storage The demarcation strip that several spaced sets are equipped in shell is deposited, the inner space for storing shell is separated into several by several demarcation strips Accommodation space, is each equipped with the placement mechanism for placing file in the accommodation space, the bottom end of each accommodation space is equal Equipped with the sliding slot coordinated with placement mechanism basal sliding, the bottom end of each sliding slot is equipped with telescoping mechanism, each telescopic machine Structure is installed in storage shell bottom, several are equipped in the bottom case and is corresponded with all telescoping mechanisms and for telescopic machine The side of the position-limit mechanism that structure is limited, each position-limit mechanism is equipped with testing agency, and the front end of the bottom case is equipped with Operating mechanism is additionally provided with accumulator and controller, the accumulator, position-limit mechanism, operating mechanism and detection machine in the bottom case Structure is electrically connected with controller.
In a preferred embodiment of the present invention, the placement mechanism includes that the open accommodating case being arranged upward and setting are being held The front end of case bottom and the guide runner being in sliding fit with the sliding chute, the accommodating case is equipped with installing frame, is set in the installing frame There is tag block.
In a preferred embodiment of the present invention, the both ends of the tag block, which offer, stirs slot.
In a preferred embodiment of the present invention, the telescoping mechanism includes mounting base, connecting rod, resetting spring and and sliding slot Cooperation and U-shaped mounting blocks, the mounting base is mounted on the bottom of storage shell by screw, and mounting base is located at sliding slot Side, the connecting rod are offered on the guide runner and are passed through for connecting rod in being horizontally arranged in mounting base and mounting blocks Perforation, the resetting spring is set in connecting rod, and the both ends of resetting spring be separately fixed at mounting blocks inner wall and On guide runner.
In a preferred embodiment of the present invention, the position-limit mechanism includes limit electric machine, first gear and shaft, the limit Position motor is mounted in bottom case, and the first gear is mounted on the main shaft of limit electric machine, and limit electric machine is located in the bottom case Side be equipped with fixed seat, the fixed seat is equipped with the turn hole that is rotatably assorted with shaft, sets that there are two in symmetrical in the shaft Connecting plate in fixed seat both sides is set, and two connecting plates are equipped with limited post, and one end of the shaft is equipped with and the The bottom of the second gear that one gear is meshed, the guide runner is equipped with L-shaped limited block.
In a preferred embodiment of the present invention, the testing agency includes proximity sensor and L-shaped loading plate, described Loading plate is fixed on the side in bottom case and positioned at limit electric machine, and the proximity sensor is mounted on the top of loading plate, described The test side of proximity sensor can contradict on the outer wall of guide runner side.
In a preferred embodiment of the present invention, the operating mechanism includes mounted on the operation panel of bottom case front end and several A operation button being arranged on operation panel.
In a preferred embodiment of the present invention, it is all provided with that there are two be symmetrical set on the bottom end outer wall of the storage shell both sides The first fastener, be all provided on the outer wall of the both sides of the bottom case there are two with two the first fasteners coordinate second engages Part is equipped with right over each second fastener with externally threaded connecting pole, and nut is equipped on each connecting pole, The bottom of each first fastener offers the slot for being inserted into connecting pole.
The present invention provides a kind of portable economy and finance class file storage device herein by improving, with prior art phase Than, have the advantages that as follows improve and:
(1)File can be quickly put into accommodating case, and file can rely on the inner wall of demarcation strip or storage shell, so File is not easy to collapse.
(2)The front end of each accommodating case is equipped with tag block, and file carries out classified storage according to the information that tag block marks, To facilitate management All Files, file entanglement is avoided.
(3)When needing to take out the file in one of accommodating case, staff presses corresponding operation button, then Limit electric machine is started to work, and limit electric machine drives first gear rotation, first gear to drive second gear rotation, second gear band Turn axis and two connecting plates synchronize rotation, and to allow limited post to be detached with limited block, and then, resetting spring passes through certainly Body tension pulls guide runner movement, guide runner to drive accommodating case mobile to outside, to make the major part of file exposed Outside, and then the friction that collides with storage shell when avoiding by file;After taking out file, staff, which promotes accommodating case, to be held It receives in space, when the side wall of guide runner is contradicted to proximity sensor, limit electric machine driving second gear rotates backward, to Limited post is allowed to be pressed against limited block.
Description of the drawings
The present invention is further explained with reference to the accompanying drawings and examples:
Fig. 1 is the stereoscopic schematic diagram of the present invention;
Fig. 2 is the fractionation schematic diagram of the present invention;
Fig. 3 is the partial bottom view of the present invention;
Fig. 4 is the enlarged drawing at A in Fig. 3;
Fig. 5 is the enlarged drawing at B in Fig. 3;
Fig. 6 is the partial schematic diagram one of the present invention;
Fig. 7 is the partial schematic diagram two of the present invention;
Reference sign:Store shell 1, demarcation strip 1a, accommodation space 1b, sliding slot 1c, the first fastener 1d, slot 1d1, bottom case 2, accumulator 2a, controller 2b, fixed seat 2c, the second fastener 2d, connecting pole 2e, nut 2e1, placement mechanism 3, accommodating case 3a, installing frame 3a1, tag block 3a2 stir slot 3a3, guide runner 3b, limited block 3b1, telescoping mechanism 4, mounting base 4a, connection Bar 4b, resetting spring 4c, mounting blocks 4d, position-limit mechanism 5, limit electric machine 5a, first gear 5b, shaft 5c, connecting plate 5c1, limit Position column 5c2, second gear 5c3, testing agency 6, proximity sensor 6a, loading plate 6b, operating mechanism 7, operation panel 7a, operation Button 7b.
Specific implementation mode
Below in conjunction with attached drawing 1 to Fig. 7, the present invention is described in detail, technical solution in the embodiment of the present invention into Row clearly and completely describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work Every other embodiment, shall fall within the protection scope of the present invention.
The present invention provides a kind of portable economy and finance class file storage device herein by improving, such as Fig. 1-Fig. 7 institutes Show, including storage shell 1 and bottom case 2, the storage shell 1 is mounted on the top of bottom case 2, several etc. are equipped in the storage shell 1 The inner space for storing shell 1 is separated into several accommodation spaces 1b by the demarcation strip 1a of spacing setting, several demarcation strips 1a, often Be equipped with the placement mechanism 3 for placing file in a accommodation space 1b, the bottom end of each accommodation space 1b be equipped with The sliding slot 1c of 3 basal sliding of placement mechanism cooperation, the bottom end of each sliding slot 1c are equipped with telescoping mechanism 4, each telescopic machine Structure 4 is installed in 1 bottom of storage shell, several are equipped in the bottom case 2 and is corresponded with all telescoping mechanisms 4 and for stretching The side of the position-limit mechanism 5 that contracting mechanism 4 is limited, each position-limit mechanism 5 is equipped with testing agency 6, the bottom case 2 Front end is equipped with operating mechanism 7, be additionally provided in the bottom case 2 accumulator 2a and controller 2b, the accumulator 2a, position-limit mechanism 5, Operating mechanism 7 and testing agency 6 are electrically connected with controller 2b.
The operation principle of the present invention:When needing to take out some file, staff operates operating mechanism 7, operates machine Signal is passed to controller 2b by structure 7, and controller 2b control position-limit mechanisms 5 are detached with telescoping mechanism 4, and telescoping mechanism 4 is using certainly The tension of body drives placement mechanism 3 to the external mobile of storage shell 1, collides friction so as to avoid file and storage shell 1, After staff promotes placement mechanism 3 in accommodation space 1b, testing agency 6 one, which works as, detects placement mechanism 3, position-limit mechanism 5 Work is begun to limit placement mechanism 3;Because being equipped with several accommodation spaces 1b in storage shell 1, so staff's energy It is enough that All Files are subjected to classified storage, consequently facilitating management All Files.
The placement mechanism 3 include the open accommodating case 3a being arranged upward and be arranged the bottoms accommodating case 3a and with sliding slot 1c The front end of the guide runner 3b, the accommodating case 3a that are slidably matched, which are equipped in installing frame 3a1, the installing frame 3a1, is equipped with label Block 3a2;Staff can directly put files into accommodating case 3a, and the top of file can rely on demarcation strip 1a or storage On the inner wall of shell 1, to avoid file from collapsing.Tag block 3a2 can be rapidly secured in mounting blocks 4d, and staff can lead to Tag block 3a2 is crossed to identify the type of file in accommodating case 3a, and then realizes classified storage.
The both ends of the tag block 3a2, which offer, stirs slot 3a3;When needing replacing tag block 3a2, staff is straight It connected the nail of itself and was put into and stirred in slot 3a3, then broke out tag block 3a2.
The telescoping mechanism 4 include mounting base 4a, connecting rod 4b, resetting spring 4c and with sliding slot 1c cooperation and U-shaped Mounting blocks 4d, the mounting base 4a are mounted on the bottom of storage shell 1 by screw, and mounting base 4a is located at the side of sliding slot 1c Side, the connecting rod 4b are offered on the guide runner 3b in being horizontally arranged on mounting base 4a and mounting blocks 4d for connection The perforation that bar 4b is passed through, the resetting spring 4c is set on connecting rod 4b, and the both ends of resetting spring 4c are separately fixed at On the inner wall and guide runner 3b of mounting blocks 4d;When position-limit mechanism 5 is detached with guide runner 3b, the tension energy of resetting spring 4c Enough drive guide runner 3b movement, guide runner 3b drives accommodating case 3a to moving outside storage shell 1, so as to avoid by file When collide friction with storage shell 1.The cooperation of guide runner 3b and sliding slot 1c plays the role of guiding, avoids accommodating case 3a It shifts when mobile.
The position-limit mechanism 5 includes that limit electric machine 5a, first gear 5b and shaft 5c, the limit electric machine 5a are mounted on bottom In shell 2, the first gear 5b is located at the side of limit electric machine 5a on the main shaft of limit electric machine 5a in the bottom case 2 Equipped with fixed seat 2c, the fixed seat 2c is equipped with the turn hole that is rotatably assorted with shaft 5c, set on the shaft 5c there are two in pair Claim to be arranged and is equipped with limited post 5c2 in the connecting plate 5c1, two connecting plate 5c1 of the both sides fixed seat 2c, the shaft 5c's The bottom that one end is equipped with the second gear 5c3, the guide runner 3b that are meshed with first gear 5b is equipped with L-shaped limit Block 3b1;When staff needs to take some file, staff allows position-limit mechanism 5 to start work by operating operating mechanism 7 Make, limit electric machine 5a driving first gear 5b rotations, first gear 5b drives second gear 5c3 rotations, second gear 5c3 to drive Shaft 5c and two connecting plate 5c1 synchronize rotation, to allow limited post 5c2 to be detached with limited block 3b1, and then allow to being oriented to The external force of sliding block 3b limits disappears.
The testing agency 6 includes that proximity sensor 6a and L-shaped loading plate 6b, the loading plate 6b are fixed on bottom case Side in 2 and positioned at limit electric machine 5a, the proximity sensor 6a are mounted on the top of loading plate 6b, the proximity sensor The test side of 6a can contradict on the outer wall of the sides guide runner 3b;Accommodating case 3a is pushed into corresponding receiving sky by staff Between in 1b, when proximity sensor 6a detects that guide runner 3b is contradicted to the test side of proximity sensor 6a, limit electric machine 5a Task driven limited post 5c2 is pressed against limited block 3b1, and then is limited to guide runner 3b.
The operating mechanism 7 includes mounted on the operation panel 7a of 2 front end of bottom case and several settings in operation panel 7a On operation button 7b;Such design can allow staff to allow specified accommodating case by pressing corresponding operation button 7b 3a is displaced outwardly.
The first fastener 1d being symmetrical set there are two being all provided on the bottom end outer wall of 1 both sides of the storage shell, the bottom The the second fastener 2d coordinated with two the first fastener 1d there are two being all provided on the outer wall of the both sides of shell 2, each described second It is equipped with right over fastener 2d with externally threaded connecting pole 2e, nut 2e1, Mei Gesuo is equipped on each connecting pole 2e The bottom for stating the first fastener 1d offers slot 1d1 for being inserted into connecting pole 2e;Staff only need to unscrew or tighten Nut 2e1 can allow storage shell 1 to be quickly assembled on bottom case 2, consequently facilitating safeguarding the associated mechanisms of bottom case 2.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (8)

1. a kind of portable economy and finance class file storage device, it is characterised in that:Including storing shell(1)And bottom case(2), described Store shell(1)Mounted on bottom case(2)Top, the storage shell(1)The interior demarcation strip equipped with several spaced sets(1a), Several demarcation strips(1a)Shell will be stored(1)Inner space be separated into several accommodation spaces(1b), each receiving sky Between(1b)Inside it is equipped with the placement mechanism for placing file(3), each accommodation space(1b)Bottom end be equipped with and placement machine Structure(3)The sliding slot of basal sliding cooperation(1c), each sliding slot(1c)Bottom end be equipped with telescoping mechanism(4), each described flexible Mechanism(4)It is installed in storage shell(1)Bottom, the bottom case(2)It is interior to be equipped with several and all telescoping mechanisms(4)It corresponds And for telescoping mechanism(4)The position-limit mechanism limited(5), each position-limit mechanism(5)Side be equipped with detection Mechanism(6), the bottom case(2)Front end be equipped with operating mechanism(7), the bottom case(2)Inside it is additionally provided with accumulator(2a)And control Device(2b), the accumulator(2a), position-limit mechanism(5), operating mechanism(7)And testing agency(6)And controller(2b)Electrically Connection.
2. portable economy and finance class file storage device according to claim 1, it is characterised in that:The placement mechanism (3)The accommodating case being arranged upward including opening(3a)With setting in accommodating case(3a)Bottom and and sliding slot(1c)What is be slidably matched leads To sliding block(3b), the accommodating case(3a)Front end be equipped with installing frame(3a1), the installing frame(3a1)It is interior to be equipped with tag block (3a2).
3. portable economy and finance class file storage device according to claim 2, it is characterised in that:The tag block (3a2)Both ends offer and stir slot(3a3).
4. portable economy and finance class file storage device according to claim 2, it is characterised in that:The telescoping mechanism (4)Including mounting base(4a), connecting rod(4b), resetting spring(4c)With with sliding slot(1c)Cooperation and U-shaped mounting blocks(4d), The mounting base(4a)It is mounted on storage shell by screw(1)Bottom, and mounting base(4a)Positioned at sliding slot(1c)Side, The connecting rod(4b)In being horizontally arranged at mounting base(4a)And mounting blocks(4d)On, the guide runner(3b)On offer confession Connecting rod(4b)The perforation passed through, the resetting spring(4c)It is set in connecting rod(4b)On, and resetting spring(4c)Two End is separately fixed at mounting blocks(4d)Inner wall and guide runner(3b)On.
5. portable economy and finance class file storage device according to claim 4, it is characterised in that:The position-limit mechanism (5)Including limit electric machine(5a), first gear(5b)And shaft(5c), the limit electric machine(5a)Mounted on bottom case(2)It is interior, institute State first gear(5b)Mounted on limit electric machine(5a)Main shaft on, the bottom case(2)It is interior to be located at limit electric machine(5a)Side Equipped with fixed seat(2c), the fixed seat(2c)It is equipped with and shaft(5c)The turn hole being rotatably assorted, the shaft(5c)It is equipped with Two are symmetrical set in fixed seat(2c)The connecting plate of both sides(5c1), two connecting plates(5c1)It is equipped with limited post (5c2), the shaft(5c)One end be equipped with and first gear(5b)The second gear being meshed(5c3), the guiding cunning Block(3b)Bottom be equipped with L-shaped limited block(3b1).
6. portable economy and finance class file storage device according to claim 5, it is characterised in that:The testing agency (6)Including proximity sensor(6a)With L-shaped loading plate(6b), the loading plate(6b)It is fixed on bottom case(2)It is interior and be located at Limit electric machine(5a)Side, the proximity sensor(6a)Mounted on loading plate(6b)Top, the proximity sensor (6a)Test side can contradict in guide runner(3b)On the outer wall of side.
7. portable economy and finance class file storage device according to claim 1, it is characterised in that:The operating mechanism (7)Including being mounted on bottom case(2)The operation panel of front end(7a)It is arranged in operation panel with several(7a)On operation button (7b).
8. portable economy and finance class file storage device according to claim 1, it is characterised in that:The storage shell (1)The first fastener being symmetrical set there are two being all provided on the bottom end outer wall of both sides(1d), the bottom case(2)Both sides it is outer Be all provided on wall there are two with two the first fasteners(1d)Second fastener of cooperation(2d), each second fastener(2d) Surface be equipped with externally threaded connecting pole(2e), each connecting pole(2e)On be equipped with nut(2e1), each described First fastener(1d)Bottom offer for being inserted into connecting pole(2e)Slot(1d1).
CN201810705338.5A 2018-07-02 2018-07-02 A kind of portable economy and finance class file storage device Withdrawn CN108542118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810705338.5A CN108542118A (en) 2018-07-02 2018-07-02 A kind of portable economy and finance class file storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810705338.5A CN108542118A (en) 2018-07-02 2018-07-02 A kind of portable economy and finance class file storage device

Publications (1)

Publication Number Publication Date
CN108542118A true CN108542118A (en) 2018-09-18

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ID=63494292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810705338.5A Withdrawn CN108542118A (en) 2018-07-02 2018-07-02 A kind of portable economy and finance class file storage device

Country Status (1)

Country Link
CN (1) CN108542118A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827602A (en) * 2018-12-21 2019-05-31 杭州上盈电气有限公司 A kind of damp-proof Multifunction digital indicating meter being easily installed
CN112401514A (en) * 2020-11-17 2021-02-26 伍钟 A storage rack that is used for salary performance archives to deposit
CN112568503A (en) * 2019-09-30 2021-03-30 深圳市绿烟科技有限公司 Scalable battery device and electron cigarette
CN113954551A (en) * 2021-09-15 2022-01-21 深圳市华远环保科技有限公司 File clamping device for domestic trade

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827602A (en) * 2018-12-21 2019-05-31 杭州上盈电气有限公司 A kind of damp-proof Multifunction digital indicating meter being easily installed
CN112568503A (en) * 2019-09-30 2021-03-30 深圳市绿烟科技有限公司 Scalable battery device and electron cigarette
CN112401514A (en) * 2020-11-17 2021-02-26 伍钟 A storage rack that is used for salary performance archives to deposit
CN113954551A (en) * 2021-09-15 2022-01-21 深圳市华远环保科技有限公司 File clamping device for domestic trade

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Application publication date: 20180918

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