CN215000494U - Broadcast television program production box convenient to carry - Google Patents
Broadcast television program production box convenient to carry Download PDFInfo
- Publication number
- CN215000494U CN215000494U CN202121330643.4U CN202121330643U CN215000494U CN 215000494 U CN215000494 U CN 215000494U CN 202121330643 U CN202121330643 U CN 202121330643U CN 215000494 U CN215000494 U CN 215000494U
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- electric telescopic
- damping
- side wall
- telescopic rod
- box body
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- Expired - Fee Related
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- 238000003860 storage Methods 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 83
- 238000005192 partition Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 16
- 230000003028 elevating effect Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a broadcast television program preparation case convenient to carry, including the box, remove frame, elevating platform, supporting component, storage assembly and lifting unit, remove the symmetry and locate the box lateral wall, supporting component, storage assembly locate the box lateral wall, the box upper wall is equipped with the lift chamber, lifting unit locates the lift intracavity, the elevating platform is located on the lifting unit, lifting unit includes baffle, electric telescopic handle one and electric telescopic handle two, the baffle is located lift intracavity lateral wall, electric telescopic handle one, electric telescopic handle two locate the baffle upper wall respectively, the elevating platform is located on electric telescopic handle one and electric telescopic handle two. The utility model belongs to the technical field of the broadcast television program makes the case, specifically provide a broadcast television program makes case that the practicality is high, be convenient for remove, have electronic equipment charging device, possess unmanned aerial vehicle descending maintenance platform and conveniently carry.
Description
Technical Field
The utility model belongs to the technical field of the broadcast television program makes the case, specifically indicate a broadcast television program makes case convenient to carry.
Background
Look for unique field of vision and can create interesting, fresh, attractive picture video, unmanned aerial vehicle is the new angle in the world around we find, unmanned aerial vehicle is photographic and has been deeply applied to the broadcast television program preparation, be the big helping hand that the broadcast television program went out to find a view, carry broadcast television program preparation case outdoor work, unmanned aerial vehicle's continuation of the journey and maintenance need be compromise, however current broadcast television program preparation case, be not convenient for remove, do not install electronic equipment charging device, be not convenient for unmanned aerial vehicle descends and maintains.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned current difficult problem, the utility model provides a practicality is high, be convenient for remove, have electronic equipment charging device, possess unmanned aerial vehicle descending maintenance platform and conveniently carry's broadcast television program preparation case.
The utility model adopts the following technical scheme: the utility model discloses a broadcast television program preparation case convenient to carry, including box, removal frame, elevating platform, supporting component, storage component and lifting component, the removal frame symmetry is located the box lateral wall, supporting component, storage component locate the box lateral wall, the box upper wall is equipped with the lift chamber, lifting component locates the lift intracavity, the elevating platform is located on the lifting component, lifting component includes baffle, electric telescopic handle one and electric telescopic handle two, the baffle is located the lift intracavity lateral wall, electric telescopic handle one, electric telescopic handle two are located the baffle upper wall respectively, the elevating platform is located on electric telescopic handle one and electric telescopic handle two, and electric telescopic handle one and electric telescopic handle two synchronous flexible drive elevating platform rise or descend, are convenient for adjust the height of elevating platform, the box is close to the upper wall symmetry of elevating platform and is equipped with the draw-in groove, the bottom wall of the lifting platform is symmetrically provided with clamping blocks, the clamping blocks are clamped in the clamping grooves, the clamping blocks and the clamping grooves are convenient for limiting and fixing the lifting platform, the side wall of the lifting platform is provided with a drawing assembly, the drawing assembly comprises a drawing ring, a drawing plate, a limiting plate and a drawing through hole, a drawing groove is formed in the lifting platform, the drawing through hole is formed in the side wall of the lifting platform, the drawing through hole is communicated with the drawing groove, the drawing plate penetrates through the drawing through hole and is arranged in the drawing groove, the limiting plate is arranged at one end, close to the drawing groove, of the drawing plate, the limiting plate is arranged in the drawing groove, the drawing ring is arranged at one end, far away from the drawing groove, of the drawing plate is drawn out of the drawing groove through the drawing ring, and a maintenance platform is built by using the drawing plate; the moving frame comprises a supporting rod and a push rod, the supporting rod is respectively arranged on the side wall of the box body, the push rod is arranged above the supporting rod, one side of the push rod is provided with an opening, the cross section of the push rod is arranged in a C shape, the opening of the push rod is arranged on the side wall of the supporting rod, the bottom wall of the supporting rod is respectively provided with a damping component, the damping components are arranged in a plurality of groups, each damping component comprises a damping base, a damping spring and a damping slide rod, the damping base is arranged on the bottom wall of the supporting rod, a damping slide groove is arranged in the damping base, the damping slide rods are symmetrically arranged in the damping slide grooves, the lower ends of the supporting rods penetrate through the upper wall of the damping base and are slidably arranged in the damping slide grooves, the side walls of the supporting rods are symmetrically provided with damping slide blocks, the damping slide blocks are slidably arranged on the damping slide rods, the damping springs are arranged between the damping slide blocks and the inner bottom walls of the damping slide grooves, the damping springs are sleeved on the damping slide rods, when the box body moves and bumps due to the damping assembly, the damping spring has a damping and pressure buffering effect on the box body, so that the box body moves more stably; the storage assembly is arranged on the side wall of the box body, which is far away from the drawing assembly, and comprises a drawer, a handle and a switch lock, the side wall of the box body is provided with a chute, the drawer is arranged in the chute, the drawer is arranged in a hollow cavity with an upper opening, the handle and the switch lock are respectively arranged on the side wall of the drawer, the switch lock is opened, the handle on the side wall of the drawer is pulled, the drawer moves outwards from the chute, the drawer is pulled out, and maintenance materials and maintenance equipment can be placed in the drawer, so that the storage assembly is very convenient and fast; the side wall of one side of the box body, which is close to the drawing component, is provided with a supporting component, the supporting component comprises a connecting plate and a third electric telescopic handle, the side wall of the box body is arranged on the connecting plate, the third electric telescopic handle is arranged on the connecting plate, and when the drawing plate is drawn out from the drawing groove, the three upper walls of the electric telescopic handles extend upwards until the three upper walls of the electric telescopic handles are in contact with the bottom wall of the drawing plate, so that the drawing plate is supported and fixed.
Further, the baffle diapire is equipped with the battery, the box lateral wall is equipped with the panel that charges, the panel and the battery electric connection charge, the panel lateral wall that charges is equipped with the USB jack, the USB jack with charge panel electric connection, the USB jack satisfies that electronic equipment charges.
Further, the box lateral wall is equipped with switch one and switch two, switch one respectively with electric telescopic handle one and two electric connection of electric telescopic handle, switch one control electric telescopic handle one and electric telescopic handle two are synchronous flexible, switch two and three electric connection of electric telescopic handle, three control electric telescopic handle three of switch are flexible from top to bottom, and setting up of electric telescopic handle three has improved the support steadiness of pull board.
Furthermore, a controller is arranged on the partition plate, and the controller is respectively electrically connected with the first switch, the second switch, the first electric telescopic rod, the second electric telescopic rod and the third electric telescopic rod.
Further, one side of the box body, which is far away from the charging panel, is provided with heat dissipation holes, the heat dissipation holes are communicated with the lifting cavity, and the heat dissipation holes are convenient for heat dissipation of a storage battery in the lifting cavity during working.
Further, the vibration damping mount diapire is equipped with the universal wheel, the universal wheel is stopped for the area, and the removal and the fixing of the box of being convenient for.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme portable's broadcast television program preparation case simple structure, the height of elevating platform is convenient for adjust by lifting unit, pull out the pull board through the pull ring and take out from the pull groove in the elevating platform, utilize the pull board to build maintenance platform, the setting of electric telescopic handle three has improved the support steadiness of pull board, storage component is convenient for place maintenance material and maintenance of equipment in the drawer, it is very convenient, the USB jack satisfies electronic equipment and charges, the louvre is convenient for go up and down the battery during operation heat dissipation of intracavity, damping unit makes the box remove when encountering jolt, damping spring plays damping cushion pressure's effect to the box, it is more steady to make the preparation case remove.
Drawings
Fig. 1 is a perspective view of a portable broadcast television program production box of the present invention;
FIG. 2 is a front view of the portable broadcast TV program box of the present invention;
FIG. 3 is a rear view of the portable broadcast TV program box of the present invention;
FIG. 4 is a schematic view of the portable broadcast TV program box of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 1.
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.
In the attached drawings, 1, a box body, 2, a movable frame, 3, a lifting platform, 4, a supporting component, 5, a containing component, 6, a lifting component, 7, a lifting cavity, 8, a partition board, 9, a first electric telescopic rod, 10, a second electric telescopic rod, 11, a clamping groove, 12, a clamping block, 13, a drawing component, 14, a drawing board, 15, a limiting board, 16, a drawing through hole, 17, a drawing groove, 18, a supporting rod, 19, a push rod, 20, a damping component, 21, damping mount, 22, damping slide block, 23, damping spring, 24, damping slide bar, 25, damping chute, 26, drawer, 27, handle, 28, switch lock, 29, chute, 30, universal wheel, 31, connecting plate, 32, electric telescopic handle three, 33, battery, 34, charging panel, 35, USB jack, 36, switch one, 37, switch two, 38, controller, 39, louvre, 40, pull ring.
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.
As shown in fig. 1-5, the portable broadcast television program production box of the present invention comprises a box body 1, a moving frame 2, a lifting platform 3, a supporting component 4, a receiving component 5 and a lifting component 6, wherein the moving frame 2 is symmetrically arranged on the side wall of the box body 1, the supporting component 4 and the receiving component 5 are arranged on the side wall of the box body 1, the upper wall of the box body 1 is provided with a lifting cavity 7, the lifting component 6 is arranged in the lifting cavity 7, the lifting platform 3 is arranged on the lifting component 6, the lifting component 6 comprises a partition plate 8, an electric telescopic rod one 9 and an electric telescopic rod two 10, the partition plate 8 is arranged on the inner side wall of the lifting cavity 7, the electric telescopic rod one 9 and the electric telescopic rod two 10 are respectively arranged on the upper wall of the partition plate 8, the lifting platform 3 is arranged on the electric telescopic rod one 9 and the electric telescopic rod two 10, a slot 11 is symmetrically arranged on the upper wall of the box body 1 close to the lifting platform 3, the bottom wall of the lifting platform 3 is symmetrically provided with clamping blocks 12, the clamping blocks 12 are clamped in clamping grooves 11, the side wall of the lifting platform 3 is provided with a drawing component 13, the drawing component 13 comprises a drawing ring 40, a drawing plate 14, a limiting plate 15 and a drawing through hole 16, the lifting platform 3 is internally provided with a drawing groove 17, the drawing through hole 16 is formed in the side wall of the lifting platform 3, the drawing through hole 16 is communicated with the drawing groove 17, the drawing plate 14 penetrates through the drawing through hole 16 and is arranged in the drawing groove 17, the limiting plate 15 is arranged at one end of the drawing plate 14 close to the drawing groove 17, the limiting plate 15 is arranged in the drawing groove 17, the drawing ring 40 is arranged at one end of the drawing plate 14 far away from the drawing groove 17, the moving frame 2 comprises a supporting rod 18 and a push rod 19, the supporting rod 18 is respectively arranged on the side wall of the box body 1, the push rod 19 is arranged above the supporting rod 18, one side of the push rod 19 is provided with an opening, the cross section of the push rod 19 is arranged in a C shape, the opening of the push rod 19 is formed in the side wall of the support rod 18, the bottom wall of the support rod 18 is respectively provided with a damping component 20, the damping components 20 are arranged in multiple groups, each damping component 20 comprises a damping base 21, a damping spring 23 and a damping slide rod 24, the damping base 21 is arranged on the bottom wall of the support rod 18, a damping slide groove 25 is formed in the damping base 21, the damping slide rods 24 are symmetrically arranged in the damping slide grooves 25, the lower end of the support rod 18 penetrates through the upper wall of the damping base 21 and is slidably arranged in the damping slide groove 25, the side wall of the support rod 18 is symmetrically provided with damping slide blocks 22, the damping slide blocks 22 are slidably arranged on the damping slide rods 24, the damping springs 23 are arranged between the damping slide blocks 22 and the inner bottom wall of the damping slide grooves 25, and the damping springs 23 are sleeved on the damping slide rods 24; the storage assembly 5 is arranged on the side wall of the side, far away from the pulling assembly 13, of the box body 1, the storage assembly 5 comprises a drawer 26, a handle 27 and a switch lock 28, a sliding groove 29 is formed in the side wall of the box body 1, the drawer 26 is arranged in the sliding groove 29, the drawer 26 is arranged in a hollow cavity with an upper opening, and the handle 27 and the switch lock 28 are respectively arranged on the side wall of the drawer 26; the side wall of one side of box 1 near pull subassembly 13 is equipped with supporting component 4, supporting component 4 includes connecting plate 31 and three 32 of electric telescopic handle, the connecting plate 31 is located the 1 lateral wall of box, three 32 of electric telescopic handle are located on connecting plate 31.
Wherein, the bottom wall of the partition board 8 is provided with a storage battery 33, the side wall of the box body 1 is provided with a charging panel 34, the charging panel 34 is electrically connected with the storage battery 33, the side wall of the charging panel 34 is provided with a USB jack 35, the USB jack 35 is electrically connected with the charging panel 34, the side wall of the box body 1 is provided with a first switch 36 and a second switch 37, the first switch 36 is electrically connected with the first electric telescopic rod 9 and the second electric telescopic rod 10 respectively, the second switch 37 is electrically connected with the third electric telescopic rod 32, the partition board 8 is provided with a controller 38, the controller 38 is electrically connected with the first switch 36, the second switch 37, the first electric telescopic rod 9, the second electric telescopic rod 10 and the third electric telescopic rod 32 respectively, one side of the box body 1 far away from the charging panel 34 is provided with heat dissipation holes 39, the heat dissipation holes 39 are communicated with the lifting cavity 7, the bottom wall of the damping base 21 is provided with universal wheels 30, the universal wheel 30 is a universal wheel 30 with a brake.
When the lifting platform is used specifically, the push rod 19 is pushed to enable the box body 1 to move to a proper position under the driving of the universal wheel 30, when the box body bumps on the road, the support rod 18 extrudes the damping spring 23 under the limiting and guiding action of the damping slide block 22 and the damping slide rod 24 and slides in the damping slide groove 25, the damping spring 23 buffers pressure on the box body 1 by utilizing self elastic deformation, the box body 1 moves more stably, the height of the lifting platform 3 is adjusted as required after the box body reaches a destination, the switch I36 is opened, the switch I36 triggers the controller 38 to work, the controller 38 controls the electric telescopic rod I9 and the electric telescopic rod II 10 to synchronously lift, the electric telescopic rod I9 and the electric telescopic rod II 10 drive the lifting platform 3 to move up and down, after the height of the lifting platform 3 is adjusted, the maintenance platform is started to be set up, and the controller 38 is controlled by the switch I36 to enable the electric telescopic rod I9 and the electric telescopic rod II 10 to stop working, electronic shooting equipment including an unmanned aerial vehicle is placed on the lifting platform 3, the pull plate 14 is pulled out from the pull groove 17 in the lifting platform 3 through the pull ring 40, the limit plate 15 limits the pull plate 14 to prevent the pull plate 14 from being separated from the pull groove 17, a maintenance platform is built by utilizing the pull plate 14 in the lifting platform 3, when the pull plate 14 is pulled out from the pull groove 17, the switch II 37 is opened, the switch II 37 controls the controller 38 to work, the controller 38 controls the electric telescopic rod III 32 to extend upwards until the upper wall of the electric telescopic rod III 32 is contacted with the bottom wall of the pull plate 14 so as to support and fix the pull plate 14, the maintenance platform is built, the switch lock 28 is opened and the handle 27 of the side wall of the drawer 26 is pulled, the drawer 26 moves outwards from the sliding groove 29, the drawer 26 is pulled out, maintenance materials and maintenance equipment can be placed in the drawer 26, the maintenance platform is very convenient and fast, USB jack 35 satisfies the electronic equipment including unmanned aerial vehicle and charges, and louvre 39 is convenient for hold battery 33 during operation heat dissipation, has satisfied continuation of the journey, maintenance, convenient to carry's that outdoor unmanned aerial vehicle shot multi-functional requirement.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a broadcast television program production case convenient to carry which characterized in that: the lifting device comprises a box body, a moving frame, a lifting platform, a supporting assembly, a containing assembly and a lifting assembly, wherein the moving frame is symmetrically arranged on the side wall of the box body, the supporting assembly and the containing assembly are arranged on the side wall of the box body, a lifting cavity is formed in the upper wall of the box body, the lifting assembly is arranged in the lifting cavity, the lifting platform is arranged on the lifting assembly, the lifting assembly comprises a partition plate, a first electric telescopic rod and a second electric telescopic rod, the partition plate is arranged on the side wall of the lifting cavity, the first electric telescopic rod and the second electric telescopic rod are respectively arranged on the upper wall of the partition plate, the lifting platform is arranged on the first electric telescopic rod and the second electric telescopic rod, a clamping groove is symmetrically formed in the upper wall of the box body close to the lifting platform, clamping blocks are symmetrically arranged on the bottom wall of the lifting platform, the clamping grooves are clamped and arranged in the clamping groove, the side wall of the lifting platform is provided with a pulling assembly, and the pulling assembly comprises a pulling ring, a pulling plate, The lifting platform comprises a limiting plate and a drawing through hole, the lifting platform is internally provided with a drawing groove, the drawing through hole is formed in the side wall of the lifting platform and is communicated with the drawing groove, the drawing plate penetrates through the drawing through hole and is arranged in the drawing groove, the limiting plate is arranged at one end, close to the drawing groove, of the drawing plate, the limiting plate is arranged in the drawing groove, the drawing ring is arranged at one end, away from the drawing groove, of the drawing plate, the moving frame comprises a supporting rod and a push rod, the supporting rod is respectively arranged on the side wall of the box body, the push rod is arranged above the supporting rod, one side of the push rod is provided with an opening, the cross section of the push rod is arranged in a C shape, the opening of the push rod is arranged on the side wall of the supporting rod, the bottom wall of the supporting rod is respectively provided with a damping component, the damping components are arranged in multiple groups, each damping component comprises a damping base, a damping spring and a damping slide rod, the damping base is arranged on the bottom wall of the supporting rod, the damping device is characterized in that a damping chute is arranged in the damping base, the damping slide bars are symmetrically arranged in the damping chute, the lower end of the support rod penetrates through the upper wall of the damping base and is slidably arranged in the damping chute, damping slide blocks are symmetrically arranged on the side wall of the support rod and are slidably arranged on the damping slide bars, a damping spring is arranged between the damping slide blocks and the inner bottom wall of the damping chute, and the damping spring is sleeved on the damping slide bars; the storage assembly is arranged on the side wall of the box body, which is far away from the pull-out assembly, and comprises a drawer, a handle and a switch lock, the side wall of the box body is provided with a chute, the drawer is arranged in the chute, the drawer is arranged in a hollow cavity with an upper opening, and the handle and the switch lock are respectively arranged on the side wall of the drawer; the side wall of one side of the box body, which is close to the drawing component, is provided with a supporting component, the supporting component comprises a connecting plate and a third electric telescopic rod, the side wall of the box body is provided with the connecting plate, and the third electric telescopic rod is arranged on the connecting plate.
2. A portable radio and television program production box according to claim 1, wherein: the baffle diapire is equipped with the battery, the box lateral wall is equipped with the panel of charging, panel and battery electric connection charge, the panel lateral wall that charges is equipped with the USB jack, USB jack and the panel electric connection that charges.
3. A portable radio and television program production box according to claim 1, wherein: the side wall of the box body is provided with a first switch and a second switch, the first switch is electrically connected with the first electric telescopic rod and the second electric telescopic rod respectively, and the second switch is electrically connected with the third electric telescopic rod.
4. A portable radio and television program production box according to claim 3, wherein: the partition plate is provided with a controller, and the controller is respectively electrically connected with the first switch, the second switch, the first electric telescopic rod, the second electric telescopic rod and the third electric telescopic rod.
5. A portable radio and television program production box according to claim 2, wherein: one side of the box body, which is far away from the charging panel, is provided with heat dissipation holes, and the heat dissipation holes are communicated with the lifting cavity.
6. A portable radio and television program production box according to claim 1, wherein: the damping base diapire is equipped with the universal wheel, the universal wheel is the universal wheel of stopping for the area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121330643.4U CN215000494U (en) | 2021-06-16 | 2021-06-16 | Broadcast television program production box convenient to carry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121330643.4U CN215000494U (en) | 2021-06-16 | 2021-06-16 | Broadcast television program production box convenient to carry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215000494U true CN215000494U (en) | 2021-12-03 |
Family
ID=79128898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121330643.4U Expired - Fee Related CN215000494U (en) | 2021-06-16 | 2021-06-16 | Broadcast television program production box convenient to carry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215000494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809556A (en) * | 2022-03-11 | 2022-07-29 | 尹良智 | Multifunctional scaffold for building wall in construction site |
-
2021
- 2021-06-16 CN CN202121330643.4U patent/CN215000494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809556A (en) * | 2022-03-11 | 2022-07-29 | 尹良智 | Multifunctional scaffold for building wall in construction site |
| CN114809556B (en) * | 2022-03-11 | 2023-08-15 | 大唐鸡西第二热电有限公司 | Building site builds multi-functional scaffold frame of wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |