CN108749485A - A kind of movable type scientific and technological information pavilion - Google Patents
A kind of movable type scientific and technological information pavilion Download PDFInfo
- Publication number
- CN108749485A CN108749485A CN201810530200.6A CN201810530200A CN108749485A CN 108749485 A CN108749485 A CN 108749485A CN 201810530200 A CN201810530200 A CN 201810530200A CN 108749485 A CN108749485 A CN 108749485A
- Authority
- CN
- China
- Prior art keywords
- opposite
- inner cavity
- information
- hole
- pavilion
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0028—Construction of wheels; methods of assembling on axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Adornments (AREA)
Abstract
The present invention provides a kind of mobile scientific and technological information pavilion, is related to electronic information field.The movable type scientific and technological information pavilion, including information kiosk ontology, the both ends of described information pavilion ontology bottom surface are opened up there are two holding tank, there are two the first damping springs for the top suit of two holding tank inner cavities, two supporting tables are fixedly mounted in the bottom of two first damping springs, and the bottom end of two supporting tables extends to universal wheel there are two the notch for accommodating trench bottom and fixed installations.The movable type scientific and technological information pavilion, pass through being used cooperatively for the first damping spring and second spring, improve the stability in entire information kiosk moving process, pass through being used cooperatively for the first pull rod and the second pull rod, the firm leg of information kiosk can be made to have the function of facilitating withdrawal and facilitate pull-out, so that entire movable type scientific and technological information pavilion has good stability, meanwhile, further improve the practicability of scientific and technological information pavilion.
Description
Technical field
The present invention relates to electronic information technical field, specially a kind of mobile scientific and technological information pavilion.
Background technology
" Digital Information Service pavilion " is related to civic clothing, food, lodging and transportion -- basic necessities of life centered on " public ", such as government affairs information, public clothes
The inquiry for the various informations such as information, tourism tour guide information of being engaged in.Information kiosk further comprises e-commerce platform function, surrounds civic
Daily demand carries out services, the citizen such as online or information kiosk online ordering, on-line payment can complete the electricity charge, water on information kiosk
The inquiry of all kinds of expenses such as expense, gas charge, telephone charge is paid, the purchase etc. of automobile, train, plane ticket.In addition information kiosk will also
Visual telephone service is opened up, citizen can carry out videophone communication on information kiosk with all kinds of public service units, businessman from now on.
Its main starting point is exactly that citizen is allowed really to enjoy the facility that information technology is brought to them.
Currently, most of mobile scientific and technological information pavilion volume all can be bigger in the market, in this way if information kiosk is passing through
It crosses in prolonged movement, a certain amount of damage will be caused to idler wheel on the move, to which the shifting of scientific and technological information pavilion will be reduced
Dynamic stability, existing movable type scientific and technological information pavilion is not fine for the firm effect of ontology, and such information kiosk is using
During it is just not convenient enough, to reduce the practicability of scientific and technological information pavilion.
Invention content
Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of movable type scientific and technological information pavilion, packet
Include information kiosk ontology, the both ends of described information pavilion ontology bottom surface open up that there are two holding tank, the tops of two holding tank inner cavities
There are two the first damping spring, the bottoms of two first damping springs, and two supporting tables, two institutes are fixedly mounted for portion's suit
The bottom end for stating supporting table extends to the notch for accommodating trench bottom and is fixedly mounted there are two universal wheel, and two holding tanks are opposite
Side and opened up there are two cannelure positioned at the inside at information kiosk plate body both ends, in two cannelure top and bottom
Fixed link there are two being fixedly mounted at the heart, there are two the second damping spring, two institutes for the surface suit of the fixed link bottom end
The surface suit of fixed link bottom end is stated there are two support plate, the bottom of two cannelures and two holding tank opposite sides is opened
If there are two strip-shaped hole, the two sides of two supporting tables are fixedly connected with there are two supporting rod, and two supporting rods are remote
One end from supporting table is fixedly connected through the inner cavity of strip-shaped hole and with the side of support plate, described information pavilion ontology two sides
Bottom is fixedly mounted there are two stable column, and the inside of two stable columns opens up that there are two driver slot, two driver slots
For the bottom suit of inner cavity there are two (the first back-moving spring, the bottoms of two (the first back-moving springs is fixedly connected with that there are two drivings
Block, the bottoms of two driver slot opposite side inner walls are opened up there are two the first locating slot, two first locating slots
Top is simultaneously opened up positioned at the inner wall of two driver slot opposite sides there are two the second locating slot, and the inside of two drive blocks is opened
If there are two transverse groove, the inner cavity suits of two transverse groove opposite ends is there are two second back-moving spring, two described the
The opposite one end of two resetting springs is fixedly mounted there are two plate is touched, and is offered at the center of two drive block opposite faces
Two first through hole, two opposite one sides of plate of touching are fixedly mounted there are two kelly, and two kellies are separate to be driven
One end of plate runs through the inner cavity of first through hole and extends to the inner cavity of the first locating slot, the bottom of two stable column opposite faces
Portion is opened up there are two the second strip-shaped hole, and the inner cavity grafting of two second strip-shaped holes is there are two the first pull rod, two described the
The opposite one end of one pull rod extends through the inner cavity of first through hole and second back-moving spring and the one side opposite with two drive blocks
It is fixedly connected, is opened up at the center of two stable column top and bottom there are two the second through-hole, two tops second
The inner cavity grafting of through-hole there are two the second pull rod, the bottom ends of two second pull rods through the inner cavity of the second buffer spring and with
The top surface of drive block is fixedly connected, and firm bar is fixedly connected at the center of the drive block bottom surface, and two firm bars are remote
The inner cavity of the second through-hole of lower section is run through in one end from drive block, and there are two firm for the bottom end fixed installation of two firm bars
Plate.
Preferably, two opposite one end of first pull rod are installed with the first draw ring.
Preferably, the top of two second pull rods is installed with the second draw ring.
Preferably, the quantity of the universal wheel and holding tank it is equal there are four, and four universal wheels and holding tank are distributed in
The four corners of information kiosk ontology bottom surface.
Preferably, the distance between the inner wall of two support plates and fixed link surface are one millimeter, and support plate
The sliding of the surface of inner wall and fixed link connects
Preferably, two first pull rods opposite one end and the inner wall of two the second strip-shaped holes is slidably connected, two
The opposite one end of the kelly is clamped with the inner cavity of the first mounting hole and the second mounting hole respectively.
Advantageous effect
(1) the movable type scientific and technological information pavilion, by the first damping spring and second spring of setting, the first damping spring can
To have carried out damping to the movement of universal wheel one step ahead, entire information kiosk can thus be made to have the effect of damping, and
The elastic force of two damping springs can play buffering and the effect of damping to support plate and supporting rod simultaneously, by supporting rod
Damping conveniently can carry out damping to universal wheel again, and then improve the stability in entire information kiosk moving process.
(2) the movable type scientific and technological information pavilion pulls the first pull rod just by being used cooperatively for the first pull rod and the second pull rod
Can facilitate and kelly is detached the first locating slot, then by pulling the second pull rod, the second pull rod can drive drive block to
The first pull rod is unclamped in upper movement again, so that it may so that kelly snaps onto the inside of the second locating slot, can thus facilitate handle
Firm leg is recovered to home position, then by pulling the second pull rod, the second pull rod that kelly can be driven to be detached from the second locating slot
Inside, then unclamp the second pull rod, such drive block will move downward automatically, when drive block is moved to the most bottom of driver slot
When portion, kelly will automatically extend into the inside of the first locating slot, and firm plate can thus be made to be come into full contact with bottom surface, from
And make entire mobile scientific and technological information pavilion that there is good stability, meanwhile, further improve the practicality of scientific and technological information pavilion
Property.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the front section view of structure of the invention；
Fig. 3 is the enlarged drawing of structure at A in Fig. 2 of the present invention；
Fig. 4 is the enlarged drawing of structure at B in Fig. 2 of the present invention.
Wherein, 1 information kiosk ontology, 2 holding tanks, 3 first damping springs, 4 supporting tables, 5 universal wheels, 6 cannelures, 7 are fixed
Bar, 8 second damping springs, 9 support plates, 10 first strip-shaped holes, 11 supporting rods, 12 stable columns, 13 driver slots, 14 first reset
Plates, 21 the are touched in spring, 15 drive blocks, 16 first locating slots, 17 second locating slots, 18 transverse grooves, 19 second back-moving springs, 20
One through-hole, 22 kellies, 23 second strip-shaped holes, 24 first pull rods, 25 second through-holes, 26 second pull rods, 27 firm bars, 28 consolidate
Plate, 29 first draw rings, 30 second draw rings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the embodiment of the present invention provides a kind of mobile scientific and technological information pavilion, including information kiosk ontology 1, letter
The both ends of 1 bottom surface of breath pavilion ontology are opened up there are two holding tank 2, the first damping that there are two the top suits of two 2 inner cavities of holding tank
Spring 3, the first damping spring 3 can carry out damping to the movement of universal wheel 5 one step ahead, can thus make entire information
Pavilion has the effect of that two supporting tables 4, the bottom end of two supporting tables 4 is fixedly mounted in damping, the bottom of two the first damping springs 3
It extends to the notch of 2 bottom of holding tank and is fixedly mounted there are two universal wheel 5, the quantity of universal wheel 5 and holding tank 2 has four
It is a, and four universal wheels 5 and holding tank 2 are distributed in the four corners of 1 bottom surface of information kiosk ontology, two holding tanks 2 it is opposite one
Side is simultaneously opened up positioned at the inside at 1 both ends of information kiosk plate body there are two cannelure 6, at the center of two 6 top and bottom of cannelure
Fixed link 7 there are two being fixedly mounted, there are two the second damping spring 8, the second damping springs for the surface suit of 7 bottom end of fixed link
8 elastic force can play buffering and the effect of damping to support plate 9 and supporting rod 11 simultaneously, pass through the damping to supporting rod 11
Can damping conveniently be carried out to universal wheel 5 again, there are two support plate 9, two branch for the surface suit of two 7 bottom ends of fixed link
The distance between the inner wall of fagging 9 and 7 surface of fixed link are one millimeter, and the inner wall of support plate 9 and the surface of fixed link 7 are slided
Connection, the bottoms of two cannelures 6 and two 2 opposite sides of holding tank open up there are two the first strip-shaped hole 10, two supporting tables
4 two sides are fixedly connected with there are two supporting rod 11, and the first strip-shaped hole is run through in two one end of supporting rod 11 far from supporting table 4
10 inner cavity is simultaneously fixedly connected with the side of support plate 9, and there are two stable columns for the bottom fixed installation of 1 two sides of information kiosk ontology
12, the inside of two stable columns 12 opens up that there are two driver slots 13, and there are two first for the bottom suit of two 13 inner cavities of driver slot
Resetting spring 14, the elastic force of (the first back-moving spring 14 can push drive block 15 to return to the bottom of driver slot 13, two first
The bottom of resetting spring 14 is fixedly connected there are two drive block 15, and the bottom of two 13 opposite side inner walls of driver slot offers two
A first locating slot 16, the top of two the first locating slots 16 and the inner wall positioned at two 13 opposite sides of driver slot offer two
A second locating slot 17, the inside of two drive blocks 15 are opened up there are two transverse groove 18, two 18 opposite ends of transverse groove it is interior
For chamber suit there are two second back-moving spring 19, the elastic force of second back-moving spring 19, which can facilitate, pushes kelly 22 and first to position
The inner cavity of slot 16 and the second locating slot 17 is clamped, and there are two touch plate for the opposite one end fixed installation of two second back-moving springs 19
20, it opens up at the center of two 15 opposite faces of drive block there are two first through hole 21, two to touch the opposite one sides of plate 20 solid
Dingan County's dress there are two kelly 22, the opposite one end of two kellies 22 respectively in the first mounting hole 16 and the second mounting hole 17
Chamber is clamped, and two one end of kelly 22 far from driving plate are through the inner cavity of first through hole 21 and extend to the first locating slot 17
Inner cavity, the bottoms of two 12 opposite faces of stable column open up that there are two the second strip-shaped hole 23, the inner cavities of two the second strip-shaped holes 23
Grafting is pulled the first pull rod 24 that can facilitate and kelly 22 is detached the first locating slot 16 there are two the first pull rod 24, two
The opposite one end of first pull rod 24 is installed with the first draw ring 29, and the first draw ring 29 can so that the first pull rod 24 is more square
Just it pulls, the opposite one end of two the first pull rods 24 and the inner wall of two the second strip-shaped holes 25 are slidably connected, two the first pull rods
23 opposite one end extend through the inner cavity of first through hole 21 and second back-moving spring 19 and opposite with two drive blocks 15 one
Face is fixedly connected, and is opened up at the center of two 12 top and bottom of stable column there are two the second through-hole 25, two tops second are logical
There are two the second pull rods 26 for the inner cavity grafting in hole 25, by pulling the second pull rod 26, the second pull rod 26 that can drive drive block
15 move up, and unclamp the first pull rod 24 again, so that it may so that kelly 22 snaps onto the inside of the second locating slot 17, thus
It can facilitate and firm leg is recovered to home position, by pulling the second pull rod 26, the second pull rod 26 that can drive kelly 22
It is detached from the inside of the second locating slot 17, then unclamps the second pull rod 26, such drive block 15 will move downward automatically, work as driving
When block 15 is moved to the bottommost of driver slot 13, kelly 22 will automatically extend into the inside of the first locating slot 16, thus may be used
So that firm plate 28 comes into full contact with bottom surface, the tops of two the second pull rods 26 is installed with the second draw ring 30, second
Draw ring 30 can make the 26 more convenient pulling of the second pull rod, and the bottom end of two the second pull rods 26 is through the interior of the second buffer spring
Chamber is simultaneously fixedly connected with the top surface of drive block 15, and firm bar 27 is fixedly connected at the center of 15 bottom surface of drive block, and two firm
The inner cavity of the second through-hole of lower section 25 is run through in the one end of bar 27 far from drive block 15, and the bottom end of two firm bars 27 is installed with
Two firm plates 28, firm plate 28 can consolidate entire information kiosk.
Operation principle：In use, by the first pull rod 24 and the second pull rod 26 of setting, pull the first pull rod 24 can
Kelly 22 is detached the first locating slot 16 to facilitate, then by pulling the second pull rod 26, the second pull rod 26 that can drive drive
Motion block 15 moves up, and unclamps the first pull rod 24 again, so that it may so that kelly 22 snaps onto the inside of the second locating slot 17, this
Sample can facilitate is recovered to home position firm leg, then by pulling the second pull rod 26, the second pull rod 26 that can drive
Kelly 22 is detached from the inside of the second locating slot 17, then unclamps the second pull rod 26, and such drive block 15 will move downward automatically,
When drive block 15 is moved to the bottommost of driver slot 13, kelly 22 will automatically extend into the inside of the first locating slot 16, this
Sample can be so that firm plate 28 comes into full contact with bottom surface, so that entire movable type scientific and technological information pavilion is with firm well
Property.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of movable type scientific and technological information pavilion, including information kiosk ontology (1), it is characterised in that：Described information pavilion ontology (1) bottom surface
Both ends open up there are two holding tank (2), there are two the first damping springs for the top suit of two holding tank (2) inner cavities
(3), two supporting tables (4), the bottom of two supporting tables (4) is fixedly mounted in the bottom of two first damping springs (3)
End extends to the notch of holding tank (2) bottom and is fixedly mounted there are two universal wheel (5), and two holding tanks (2) are opposite
Side is simultaneously opened up positioned at the inside at information kiosk plate body (1) both ends there are two cannelure (6), two cannelure (6) top surfaces and
It is fixedly mounted at the center of bottom surface there are two fixed link (7), the surface suit of fixed link (7) bottom end subtracts there are two second
Shake spring (8), the surface suits of two fixed link (7) bottom ends there are two support plate (9), two cannelures (6) with
The bottom of two holding tank (2) opposite sides is opened up there are two the first strip-shaped hole (10), the two sides of two supporting tables (4)
It is fixedly connected with there are two supporting rod (11), the first bar shaped is run through in the one end of two supporting rods (11) far from supporting table (4)
The inner cavity in hole (10) is simultaneously fixedly connected with the side of support plate (9), and the bottom of described information pavilion ontology (1) two sides is fixedly mounted
There are two stable column (12), the inside of two stable columns (12) opens up that there are two driver slot (13), two driver slots
(13) there are two (the first back-moving spring (14), the bottom of two (the first back-moving springs (14) is fixed to be connected the bottom suit of inner cavity
It connects there are two drive block (15), the bottoms of two driver slot (13) opposite side inner walls opens up that there are two the first locating slots
(16), there are two the top of two first locating slots (16) and the inner wall positioned at two driver slot (13) opposite sides open up
Second locating slot (17), the inside of two drive blocks (15) open up that there are two transverse groove (18), two transverse grooves
(18) the inner cavity suit of opposite end is there are two second back-moving spring (19), two second back-moving springs (19) it is opposite one
End is fixedly mounted there are two plate (20) is touched, and is opened up at the center of two drive block (17) opposite faces logical there are two first
Hole (21), two opposite one sides of plate (20) of touching are fixedly mounted there are two kelly (22), and two kellies (22) are remote
One end from driving plate runs through the inner cavity of first through hole (21) and extends to the inner cavity of the first locating slot (17), and two described firm
The bottom of column (12) opposite face is opened up there are two the second strip-shaped hole (23), the inner cavity grafting of two second strip-shaped holes (23)
There are two the first pull rod (24), two opposite one end of first pull rod (23) extend through first through hole (21) and second and answer
The inner cavity of position spring (19) and it is opposite with two drive block (16) be fixedly connected on one side, two stable column (11) top surfaces with
It is opened up at the center of bottom surface there are two the second through-hole (25), there are two for the inner cavity grafting of two the second through-holes of the top (25)
Two pull rods (26), the bottom ends of two second pull rods (26) through the inner cavity of the second buffer spring and with the top of drive block (15)
Face is fixedly connected, and firm bar (27), two firm bars (27) are fixedly connected at the center of drive block (15) bottom surface
The inner cavity of the second through-hole of lower section (25) is run through in one end far from drive block (15), and peace is fixed in the bottom end of two firm bars (27)
There are two firm plates (28) for dress.
2. a kind of mobile scientific and technological information pavilion according to claim 1, it is characterised in that：Two first pull rods (24)
Opposite one end is installed with the first draw ring (29).
3. a kind of mobile scientific and technological information pavilion according to claim 1, it is characterised in that：Two second pull rods (26)
Top be installed with the second draw ring (30).
4. a kind of mobile scientific and technological information pavilion according to claim 1, it is characterised in that：The universal wheel (5) and receiving
There are four the quantity of slot (2) is equal, and four universal wheels (5) and holding tank (2) are distributed in the quadrangle of information kiosk ontology (1) bottom surface
Place.
5. a kind of mobile scientific and technological information pavilion according to claim 1, it is characterised in that：Two support plates (8)
The distance between inner wall and fixed link (7) surface are one millimeter, and the inner wall of support plate (8) and the surface of fixed link (7) are slided
Connection.
6. a kind of mobile scientific and technological information pavilion according to claim 1, it is characterised in that：Two first pull rods (24)
Opposite one end and the inner wall of two the second strip-shaped holes (25) are slidably connected, the opposite one end of two kellies (22) respectively with
The inner cavity of first mounting hole (16) and the second mounting hole (17) is clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530200.6A CN108749485A (en) | 2018-05-29 | 2018-05-29 | A kind of movable type scientific and technological information pavilion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530200.6A CN108749485A (en) | 2018-05-29 | 2018-05-29 | A kind of movable type scientific and technological information pavilion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108749485A true CN108749485A (en) | 2018-11-06 |
Family
ID=64003269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810530200.6A Pending CN108749485A (en) | 2018-05-29 | 2018-05-29 | A kind of movable type scientific and technological information pavilion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108749485A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187777A (en) * | 2019-04-26 | 2019-08-30 | 广东圆元网络科技有限公司 | Message input device is used in a kind of exploitation of wechat small routine |
| CN111545880A (en) * | 2020-04-19 | 2020-08-18 | 邓健 | Lightning grounding is electric welding equipment for engineering with safety protection structure |
-
2018
- 2018-05-29 CN CN201810530200.6A patent/CN108749485A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187777A (en) * | 2019-04-26 | 2019-08-30 | 广东圆元网络科技有限公司 | Message input device is used in a kind of exploitation of wechat small routine |
| CN111545880A (en) * | 2020-04-19 | 2020-08-18 | 邓健 | Lightning grounding is electric welding equipment for engineering with safety protection structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |