CN217521736U - Vertical double-sided advertising machine - Google Patents
Vertical double-sided advertising machine Download PDFInfo
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- CN217521736U CN217521736U CN202221262613.9U CN202221262613U CN217521736U CN 217521736 U CN217521736 U CN 217521736U CN 202221262613 U CN202221262613 U CN 202221262613U CN 217521736 U CN217521736 U CN 217521736U
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Abstract
The application relates to the technical field of advertising machines, in particular to a vertical double-sided advertising machine. It includes: a base; the supporting frame is detachably connected with the base, first grooves are formed in two sides of the supporting frame, and fixing holes are formed in the first grooves; the double-sided display screen mechanism is detachably arranged in the supporting frame through the fixing hole, is positioned at one end far away from the base, and comprises a first display screen assembly and a second display screen assembly which are mutually deviated and are independently arranged; the control mechanism is detachably arranged in the supporting frame and positioned between the base and the double-sided display screen through the fixing hole, and is connected with the first display screen assembly and the second display screen assembly. The technical complexity of the double-sided advertisement machine in the aspect of disassembly and assembly can be reduced, so that the double-sided screen advertisement machine can be flexibly adjusted on a single side or double sides, market demands are met, and the vertical double-sided advertisement machine is provided.
Description
Technical Field
The application relates to the technical field of advertising machines, in particular to a vertical double-sided advertising machine.
Background
At present, the advertisement machine is visible everywhere in public places such as market, office building or cinema, has functions such as advertisement, broadcasting, direction, show, wherein, two-sided screen advertisement machine compares in single screen advertisement machine, can carry out two-sided broadcast, has increased the advertisement angle of one time, very big expansion the visual scope of advertisement, can effectually satisfy more diversified demands in market, and obtain wide use gradually in market.
However, the existing double-sided screen advertising machine is generally integrated, is complex in disassembly and assembly, and cannot flexibly meet the market demand that the double-sided display screen is assembled into the single-sided display screen and then assembled into the double-sided display screen.
SUMMERY OF THE UTILITY MODEL
In order to reduce the technical complexity of the double-sided advertisement machine in the aspect of disassembly and assembly, the double-sided screen advertisement machine can be flexibly adjusted on a single side or double sides, and the market demand is met, the application provides a vertical double-sided advertisement machine, which adopts the following technical scheme:
the application discloses a vertical double-sided advertising machine, which comprises a base; the supporting frame is detachably connected with the base, first grooves are formed in two sides of the supporting frame, and fixing holes are formed in the first grooves; the double-sided display screen mechanism is detachably arranged in the supporting frame through the fixing hole, is positioned at one end far away from the base, and comprises a first display screen assembly and a second display screen assembly which are mutually deviated and are independently arranged; and the control mechanism is arranged in the supporting frame, positioned between the base and the double-sided display screen mechanism and connected with the first display screen assembly and the second display screen assembly through the fixing holes.
Through adopting above-mentioned technical scheme, set up first recess through the both sides at braced frame, realize two-sided display screen mechanism through the fixed orifices in the first recess, control mechanism fixes, the equipment and the dismantlement of vertical two-sided advertisement machine of can being convenient for, in order to reduce two-sided advertisement machine at the equipment, the technical complexity in the aspect of the dismantlement, and first display screen subassembly and second display screen subassembly deviate from each other and independent setting, can make the display screen of advertisement machine can assemble at random or dismantle the adjustment on single face or two-sided, satisfy the demand in market.
Optionally, the vertical double-sided advertisement player further includes a support member detachably disposed in the support frame through the fixing hole and abutted between the control mechanism and the base; the control mechanism includes: the first shell is clamped between the first display screen assembly and the supporting piece; the second shell is clamped between the second display screen component and the supporting piece; a control assembly disposed between the first housing member and the second housing.
By adopting the technical scheme, the supporting function of the control mechanism and the double-sided display screen mechanism can be realized by arranging the supporting piece between the control mechanism and the base, and the stability of the whole structure of the vertical double-sided advertising machine is improved; the control assembly is arranged between the first shell and the second shell, so that the protection effect on the control assembly can be realized; the first shell is clamped between the first display screen assembly and the supporting piece, and the second shell is clamped between the second display screen assembly and the supporting piece, so that the control mechanism can be fixed between the double-sided display screen mechanism and the supporting piece.
Optionally, the control assembly includes: a fixing plate; the main control circuit board is fixed on the fixing plate; the first driving board is fixed on the fixing board and connected with the main control circuit board and the first display screen assembly; the second driving board is fixed on the fixing board and connected with the main control circuit board and the second display screen assembly; the first audio piece is fixed on the fixing plate and connected with the main control circuit board; and the second audio piece is fixed on the fixing plate and connected with the main control circuit board.
Through adopting above-mentioned technical scheme, include fixed plate, main control circuit board, first drive plate, second drive plate, first audio frequency spare and second audio frequency spare through setting up the control assembly, can realize the main control circuit board to the independent control of first display screen subassembly, second display screen subassembly, can make two-sided display screen can be alone or synchronous show propaganda information, satisfy the demand in market.
Optionally, a second groove is formed in the base, an external source wire insertion hole for inserting an external source wire is formed in the second groove, and a first wire outlet hole is formed in the base corresponding to the external source wire insertion hole; the supporting piece is arranged in a hollow mode, a first wire inlet hole is formed in one end, away from the double-sided display screen mechanism, of the supporting piece corresponding to the first wire outlet hole, and a second wire outlet hole is formed in one end, away from the base, of the supporting piece; and one end of the fixing plate, which is far away from the double-sided display screen mechanism, is provided with a second wire inlet hole corresponding to the second wire outlet hole.
By adopting the technical scheme, the second groove is formed in the base, and the external source wire inserting hole is formed in the second groove, so that the utilization of space and the hiding of the external source wire inserting hole can be realized, and the liquid is prevented from entering due to exposure and damaging an internal circuit; through set up first wire hole, support piece's inside setting up to cavity, support piece on setting up first wire hole and second wire hole, set up the second wire hole on the fixed plate on the base, can conveniently arrange also convenient winding displacement to arranging of circuit, when being convenient for simultaneously follow-up to the circuit maintenance, reduce the complexity that the circuit was combed.
Optionally, the two sides of the base are provided with third grooves connected with the supporting frame, and a baffle is arranged at one end, far away from the double-sided display screen mechanism, of each third groove.
Through adopting above-mentioned technical scheme, through setting up the third recess in the both sides of base to and keep away from the one end of two-sided display screen mechanism at the third recess and also set up the baffle in the bottom, can realize fixed spacing to braced frame.
Optionally, the support frame comprises a package cover snapped in said first recess.
Through adopting above-mentioned technical scheme, through set up the encapsulation lid in first recess, can realize the encapsulation to braced frame, and set up to the block, can make things convenient for the assembler to carry out nimble dismantlement to vertical two-sided advertisement machine.
Optionally, one end of the supporting frame, which is far away from the base, is provided with a first heat dissipation port; and a second heat dissipation port is arranged at one end, far away from the double-sided display screen mechanism, of the fixing plate.
By adopting the technical scheme, the first heat dissipation port is arranged at one end, far away from the base, of the supporting frame, namely the upper end of the supporting frame, so that the heat dissipation of the double-sided display screen mechanism can be realized; the second heat dissipation port is arranged at one end, far away from the double-sided display screen mechanism, of the fixing plate, namely the lower end of the fixing plate, so that heat dissipation of the control assembly can be achieved.
Optionally, the first display screen assembly and the second display screen assembly are both provided with a cable arranging cover.
By adopting the technical scheme, the wiring cover is respectively arranged on the first display screen assembly and the second display screen assembly, the wiring between the first display screen assembly and the second display screen assembly can be avoided, the independent arrangement of the first display screen assembly and the second display screen assembly is realized, and the subsequent disassembly or maintenance can be facilitated.
Optionally, an antenna is further disposed in the second groove.
Through adopting above-mentioned technical scheme, through setting up the antenna, can realize the receipt of signal, and through set up the antenna in the second recess, can improve the space utilization of base.
Optionally, one end of the fixing plate, which is far away from the double-sided display screen mechanism, is further provided with a remote control signal receiving part, a switch part, a reset part and a USB interface part, which are connected with the main control circuit board.
Through adopting above-mentioned technical scheme, receive piece, switch spare, reset piece and USB interface spare through setting up remote control signal, can increase vertical two-sided advertisement machine's function experience and feel.
Optionally, one end of the base, which is far away from the double-sided display screen mechanism, is provided with an anti-slip gasket.
By adopting the technical scheme, the anti-skidding gasket is arranged at one end, far away from the double-sided display screen mechanism, of the base, namely the bottom end of the base, so that the anti-skidding fixing effect on the vertical double-sided advertising machine can be achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. set up first recess through the both sides at braced frame, realize two-sided display screen mechanism through the fixed orifices in the first recess, control mechanism fixes, the equipment and the dismantlement of vertical two-sided advertisement machine of can being convenient for, in order to reduce the technical complexity of two-sided advertisement machine in the equipment, in the aspect of the dismantlement, and first display screen subassembly and second display screen subassembly deviate from each other and independent setting, can make the display screen of advertisement machine can assemble or dismantle the adjustment at random on single face or two-sided, satisfy the demand in market.
2. The supporting part is arranged between the control mechanism and the base, so that the supporting function of the control mechanism and the double-sided display screen mechanism can be realized, and the stability of the whole structure of the vertical double-sided advertising machine is improved; by arranging the control assembly between the first casing part and the second casing part, the protection effect on the control assembly can be realized.
3. The base is provided with the second groove, and the second groove is internally provided with the external source wire inserting hole, so that the utilization of space can be realized; through setting up first wire hole, support piece's inside on the base and setting up to cavity, set up first wire hole and second wire hole on support piece, set up the second wire hole on the fixed plate, can conveniently arrange also convenient winding displacement to arranging of circuit, the follow-up maintenance to the circuit of being convenient for simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a vertical two-sided advertising machine disclosed in an embodiment of the present application;
FIG. 2 is an exploded view of the vertical double-sided advertising player of FIG. 1;
FIG. 3 is a partial schematic view of a vertical two-sided advertising player of FIG. 1;
FIG. 4 is a schematic top view of the vertical two-sided advertising machine of FIG. 1;
fig. 5 is a schematic view illustrating a supporting member of the vertical double-sided advertising machine shown in fig. 1.
Description of the reference numerals: (ii) a
10. A base; 11. a second groove; 12. an external source wire inserting hole; 13. a first wire outlet hole; 14. a third groove; 15. a baffle plate; 16. an antenna; 17. an anti-slip gasket; 20. a support frame; 21. a first groove; 211. a fixing hole; 22. a package cover; 23. a first heat dissipation port; 30. a double-sided display screen mechanism; 31. a first display screen assembly; 32. a second display screen assembly; 33. a wire arranging cover; 40. a control mechanism; 41. a first housing member; 42. a second housing; 43. a control component; 431. a fixing plate; 4311. a second wire inlet hole; 4312. a second heat dissipation port; 4313. a remote control signal receiving part; 4314. a switch member; 4315. a reset member; 4316. a USB interface member; 432. a main control circuit board; 433. a first drive plate; 434. a second drive plate; 435. a first audio piece; 436. a second audio piece; 50. a support member; 51. a first wire inlet hole; 52. a second wire outlet hole.
Detailed Description
The present application will be described in further detail below.
The embodiment of the application discloses a vertical double-sided advertising machine. Referring to fig. 1 and 2, the vertical double-sided advertising machine includes: the double-sided display screen comprises a base 10, a supporting frame 20, a double-sided display screen mechanism 30 and a control mechanism 40, wherein the supporting frame 20 can be a metal rectangular frame body and is detachably connected with the base 10, first grooves 21 are formed in two sides of the supporting frame 20, fixing holes 211 for fixing parts such as bolts to penetrate are formed in the first grooves 21, the double-sided display screen mechanism 30 and the control mechanism 40 can penetrate into the fixing holes 211 through screwing of the bolts to be fixed in the supporting frame 20, one end far away from the base 10 is also located at the upper end of the supporting frame 20 and comprises a first display screen assembly 31 and a second display screen assembly 32 which are mutually deviated and are independently arranged, and the first display screen assembly 31 and the second display screen assembly 32 can be understood as independent display screens to realize picture display; control mechanism 40 sets up between base 10 and two-sided display screen mechanism 30, and connects first display screen subassembly 31 and second display screen subassembly 32 for realize the independent control of first display screen subassembly 31 and second display screen subassembly 32, and based on the detachability of two-sided display screen mechanism 30, can realize that the display screen is nimble to be adjusted on single face or two-sided demonstration and dismouting, satisfies the demand in market.
Further, the vertical double-sided advertising machine further comprises a supporting member 50, wherein the supporting member 50 can be in a U-shaped structure and is detachably arranged in the supporting frame 20 through a fixing hole 211 so as to be abutted between the control mechanism 40 and the base 10, so that the stability of the overall structure of the vertical double-sided advertising machine is improved; the control mechanism 40 includes a first casing 41, a second casing 42 and a control assembly 43, the control assembly 43 is disposed between the first casing 41 and the second casing 42 for protection, wherein the first casing 41 is disposed between the first display screen assembly 31 and the support member 50 in a snap-fit manner, and the second casing 42 is disposed between the second display screen assembly 32 and the support member 50 in a snap-fit manner, so as to fix the control mechanism 40 between the dual-sided display screen mechanism 30 and the support member 50.
Referring to fig. 3, the control assembly 43 includes a fixed plate 431, and a main control circuit board 432, a first driving board 433, a second driving board 434, a first audio component 435, and a second audio component 436 fixed on the fixed plate 431, the first driving board 433 is connected to the main control circuit board 432 and the first display screen assembly 31, the second driving board 434 is connected to the main control circuit board 432 and the second display screen assembly 32, the main control circuit board 432 is connected to the first audio component 435 and the second audio component 436, wherein the main control circuit board 432 can understand that the one-chip microcomputer control board is used for signal input, signal output, signal analysis, and other operations, the first driving board 433 is used for driving the first display screen assembly 31 to display pictures, the second driving board 434 is used for driving the second display screen assembly 32 to display pictures, the first audio component 435 is used for playing sound corresponding to the first display screen assembly 31, and the second audio component 436 is used for playing sound corresponding to the second display screen assembly 32, here, the brands, models, sizes, and the like of the main control circuit board 432, the first driver board 433, the second driver board 434, the first audio device 435, and the second audio device 436 are not limited, and may be configured to realize the same function.
Referring to fig. 2 and 4, a second groove 11 is formed in the base 10, and an external power line plugging hole 12 for plugging an external power line is formed in the second groove 11, so that the external power line and a network cable can be plugged in, the groove space can be utilized and hidden, liquid is prevented from entering due to exposure, an internal circuit is prevented from being damaged, and an antenna 16 can be further arranged in the second groove 11 and used for receiving a wave signal.
Wherein, the base 10 can be provided with a first wire outlet hole 13 corresponding to the external source wire plugging hole 12 at both sides of the upper end; the inside of the supporting member 50 is hollow, and referring to fig. 5, the supporting member 50 is provided with a first wire inlet hole 51 corresponding to one end of the first wire outlet hole 13 far away from the dual-sided display screen mechanism 30, that is, the lower end of the supporting member 50, and a second wire outlet hole 52 corresponding to one end of the base 10, that is, the upper end of the supporting member 50; a second wire inlet hole 4311 is arranged at one end of the fixing plate 431 far away from the double-sided display screen mechanism 30, namely, the lower end of the fixing plate 431 corresponds to the second wire outlet hole 52; and a wire dress cover 33 is provided on the back of each of the first and second screen assemblies 31 and 32.
Specifically, through the arrangement of the first wire outlet hole 13, the first wire inlet hole 51, the second wire outlet hole 52, the second wire inlet hole 4311 and the wire arranging cover 33, the arrangement of the line can be facilitated, and meanwhile, the complexity of line combing is reduced when the line is maintained subsequently.
Referring to fig. 4, an anti-slip gasket 17 is disposed at one end of the base 10 away from the double-sided display screen mechanism 30, that is, the bottom end contacting the ground, and the anti-slip gasket 17 may be made of rubber, and is easy to deform to increase the area contacting the ground, so as to play a role of anti-slip, and further increase the overall stability of the vertical double-sided advertisement player.
Referring to fig. 2 and 4, the two sides of the base 10 are provided with third grooves 14 connected to the support frame 20 in a manner of bolt connection, and one end of the third groove 14 away from the dual-sided display screen mechanism 30 is provided with a baffle 15, and the baffle 15 is provided in two corresponding to the third grooves 14 for limiting the support frame 20.
Referring to fig. 2, the supporting frame 20 includes the encapsulation cover 22 clamped in the first groove 21, the encapsulation cover 22 is arranged to encapsulate the supporting frame 20, so as to prevent the connection pieces for fixing the double-sided display screen mechanism 30, the control mechanism 40 and the support piece 50 from being exposed, i.e. bolts, which may affect the appearance of the display device, and the encapsulation cover 22 is arranged to be clamped, which may facilitate the flexible disassembly of the vertical double-sided advertisement machine by the assembler.
Referring to fig. 2, one end of the supporting frame 20 away from the base 10, that is, the upper end of the supporting frame 20, is provided with a first heat dissipation port 23 for dissipating heat of the first display screen assembly 31 and the second display screen assembly 32; the end of the fixing plate 431 far away from the dual-sided display screen mechanism 30, that is, the lower end of the fixing plate 431 is provided with a second heat dissipation port 4312, which can be used for heat dissipation of the control assembly 43.
Referring to fig. 3, a remote control signal receiving part 4313, a switch part 4314, a reset part 4315 and a USB interface part 4316 connected to the main control circuit board 432 are disposed at one end of the fixing plate 431 far away from the dual-sided display screen mechanism 30, that is, a lower end of the fixing plate 431 and exposed to the first casing part 41 and the second casing 42, so as to increase the functional experience of the vertical dual-sided advertisement player.
In summary, in the vertical double-sided advertisement machine disclosed in the first embodiment of the present application, the first grooves 21 are disposed on two sides of the supporting frame 20, and the double-sided display screen mechanism 30 and the control mechanism 40 are fixed through the fixing holes 211 in the first grooves 21, so that the vertical double-sided advertisement machine can be conveniently assembled and disassembled, the technical complexity of the double-sided advertisement machine in terms of assembly and disassembly is reduced, and the first display screen assembly 31 and the second display screen assembly 32 are separated and independently disposed, so that the display screen of the advertisement machine can be randomly assembled or disassembled and adjusted on a single side or double sides, and market requirements are met; the supporting part 50 is arranged between the control mechanism 40 and the base 10, so that the supporting function of the control mechanism 40 and the double-sided display screen mechanism 30 can be realized, and the stability of the whole structure of the vertical double-sided advertising machine is improved; by providing the control unit 43 between the first casing member 41 and the second casing member, a protective effect on the control unit 43 can be achieved; the first shell 41 is clamped between the first display screen assembly 31 and the supporting piece 50, and the second shell 42 is clamped between the second display screen assembly 32 and the supporting piece 50, so that the control mechanism 40 can be fixed between the double-sided display screen mechanism 30 and the supporting piece 50; by arranging the control assembly 43 to comprise the fixing plate 431, the main control circuit board 432, the first driving plate 433, the second driving plate 434, the first audio piece 435 and the second audio piece 436, the main control circuit board 432 can control the first display screen assembly 31 and the second display screen assembly 32 independently, so that the double-sided display screen can show propaganda information independently or synchronously to meet the market demand; the second groove 11 is formed in the base 10, and the external source wire plugging hole 12 is formed in the second groove 11, so that space utilization and hiding of the external source wire plugging hole 12 can be achieved, and liquid is prevented from entering due to exposure and damaging an internal circuit; the first wire outlet hole 13 is formed in the base 10, the inside of the supporting member 50 is hollow, the first wire inlet hole 51 and the second wire outlet hole 52 are formed in the supporting member 50, and the second wire inlet hole 4311 is formed in the fixing plate 431, so that the arrangement of wires, namely the wire arrangement, is facilitated, and meanwhile, the complexity of wire combing is reduced during subsequent wire maintenance.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a vertical two-sided advertisement machine which characterized in that includes:
a base (10);
the supporting frame (20) is detachably connected with the base (10), first grooves (21) are formed in two sides of the supporting frame (20), and fixing holes (211) are formed in the first grooves (21);
the double-sided display screen mechanism (30) is detachably arranged in the supporting frame (20) through the fixing hole (211), is positioned at one end far away from the base (10), and comprises a first display screen assembly (31) and a second display screen assembly (32) which are mutually far away and are independently arranged;
and the control mechanism (40) is arranged in the supporting frame (20) through the fixing hole (211), is positioned between the base (10) and the double-sided display screen mechanism (30), and is connected with the first display screen assembly (31) and the second display screen assembly (32).
2. The vertical double-sided advertising machine according to claim 1, further comprising a support (50) detachably disposed in the support frame (20) through the fixing hole (211) and abutting between the control mechanism (40) and the base (10);
the control mechanism (40) includes:
a first casing (41) clamped between the first display screen assembly (31) and the support member (50);
a second housing (42) snap-fit disposed between the second display screen assembly (32) and the support member (50);
a control assembly (43) disposed between the first casing member (41) and the second housing (42).
3. Vertical double-sided advertising machine according to claim 2, characterized in that said control unit (43) comprises:
a fixed plate (431);
a main control circuit board (432) fixed on the fixing plate (431);
the first driving plate (433) is fixed on the fixing plate (431) and is connected with the main control circuit board (432) and the first display screen assembly (31);
a second driving board (434) fixed on the fixing plate (431) and connecting the main control circuit board (432) and the second display screen assembly (32);
a first audio member (435) fixed on the fixing plate (431) and connected to the main control circuit board (432);
and the second audio piece (436) is fixed on the fixed plate (431) and is connected with the main control circuit board (432).
4. The vertical double-sided advertising machine according to claim 3, wherein a second groove (11) is formed in the base (10), an external source line plugging hole (12) for plugging an external source line is formed in the second groove (11), and a first outlet hole (13) is formed in the base (10) corresponding to the external source line plugging hole (12);
the supporting piece (50) is hollow, a first wire inlet hole (51) is formed in one end, away from the double-sided display screen mechanism (30), of the supporting piece (50) corresponding to the first wire outlet hole (13), and a second wire outlet hole (52) is formed in one end, away from the base (10), of the supporting piece (50);
and a second wire inlet hole (4311) is formed in one end, away from the double-sided display screen mechanism (30), of the fixing plate (431) and corresponds to the second wire outlet hole (52).
5. The vertical double-sided advertising machine according to claim 1, wherein both sides of the base (10) are provided with third grooves (14) connected with the supporting frame (20), and one end of the third grooves (14) far away from the double-sided display screen mechanism (30) is provided with a baffle (15).
6. A vertical double-sided advertising machine according to claim 1, wherein the support frame (20) comprises a packaging cover (22) which is snapped into the first recess (21).
7. A vertical double-sided advertising machine according to claim 3, wherein one end of the supporting frame (20) remote from the base (10) is provided with a first heat dissipating port (23);
and a second heat dissipation port (4312) is arranged at one end, away from the double-sided display screen mechanism (30), of the fixing plate (431).
8. A vertical double-sided advertising machine according to claim 3, wherein the first screen assembly (31) and the second screen assembly (32) are provided with a cable cover (33).
9. A vertical double-sided advertising machine according to claim 4, wherein an antenna (16) is further provided in the second recess (11).
10. The vertical double-sided advertising machine according to claim 1, wherein the base (10) is provided with an anti-slip gasket (17) at an end thereof remote from the double-sided display screen mechanism (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221262613.9U CN217521736U (en) | 2022-05-24 | 2022-05-24 | Vertical double-sided advertising machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221262613.9U CN217521736U (en) | 2022-05-24 | 2022-05-24 | Vertical double-sided advertising machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521736U true CN217521736U (en) | 2022-09-30 |
Family
ID=83390798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221262613.9U Active CN217521736U (en) | 2022-05-24 | 2022-05-24 | Vertical double-sided advertising machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521736U (en) |
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2022
- 2022-05-24 CN CN202221262613.9U patent/CN217521736U/en active Active
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