CN109281595B - A prevent blockking up advertisement structure for hotel room - Google Patents
A prevent blockking up advertisement structure for hotel room Download PDFInfo
- Publication number
- CN109281595B CN109281595B CN201811291311.2A CN201811291311A CN109281595B CN 109281595 B CN109281595 B CN 109281595B CN 201811291311 A CN201811291311 A CN 201811291311A CN 109281595 B CN109281595 B CN 109281595B
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- Prior art keywords
- block
- door
- limiting
- sliding plate
- blocking
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
- E06B7/20—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills
- E06B7/21—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever automatically withdrawn when the wing is opened, e.g. by means of magnetic attraction, a pin or an inclined surface, especially for sills with sealing strip movable in plane of wing
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
Abstract
The invention discloses an anti-blocking advertisement structure for hotel rooms, which comprises a door frame, a door, an inner wall of a room and a floor, wherein the door frame is connected with the door through a hinge, the lower end of the back of the door is fixedly connected with an installation shell, the bottom of the installation shell is provided with an installation groove, a sliding plate is connected in the installation groove in a sliding mode, the side wall of the sliding plate is also connected with a limiting mechanism, a plurality of first springs are fixedly connected between the upper end of the sliding plate and the top wall in the installation groove, one end, far away from the first springs, of the sliding plate is positioned outside the installation groove and is welded with an anti-blocking block which is horizontally arranged, and an arc-shaped convex block matched with. The invention can prevent other people from inserting promotion advertisements into the hotel room, thereby maintaining the image of the hotel merchant, avoiding adverse effect on customers and reducing garbage pollution; meanwhile, the sound insulation effect of the room can be improved, and the accommodation experience of customers is better.
Description
Technical Field
The invention relates to the technical field of hotel management, in particular to an anti-blocking advertisement structure for hotel rooms.
Background
People often need to have a rest in a hotel when going out for work or traveling. People often find that the bottom of a door is filled with a plurality of sales promotion advertisements when staying in a hotel, and the sales promotion advertisements not only influence the image of a merchant of the hotel, but also can cause adverse effects on the lodging persons, and are also garbage pollution.
To this end, we propose a jam-proof advertising structure for hotel rooms.
Disclosure of Invention
The invention aims to solve the problems that people often find that a plurality of sales promotion advertisements are inserted into the bottom of a door when the people live in a hotel, the sales promotion advertisements not only can affect the image of a merchant of the hotel, but also can cause adverse effects on accommodation people, and are simultaneously a garbage pollution problem in the prior art, and provides an anti-blocking advertisement structure for hotel rooms.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a prevent blockking up advertisement structure for hotel room, includes door frame, door, room interior wall and floor, pass through hinged joint between door frame and door, the back lower extreme fixedly connected with installation shell of door, the mounting groove has been seted up to installation shell bottom, the inside sliding connection of mounting groove has the sliding plate, the sliding plate lateral wall still is connected with stop gear, a plurality of first springs of fixedly connected with between the top wall in sliding plate upper end and the mounting groove, the one end that first spring was kept away from to the sliding plate is located the mounting groove outside and welds the chock that prevents that the level set up, and prevents that the width of chock equals with the door width, the one end bottom that the door was kept away from to the chock adopts the arc structure, floor fixed surface installs the arc lug that the chock used is prevented in the cooperation, and the top height of arc lug equals with the bottom surface height of chock.
In the above anti-blocking advertisement structure for hotel rooms, the position-limiting mechanism comprises a position-limiting groove formed on the side wall of the sliding plate, the limiting block is connected in the limiting groove in a sliding way, the inner side wall of the mounting groove is also provided with a containing groove matched with the limiting block, a second spring is fixedly connected between the side wall of the limiting block and the inner wall of the accommodating groove, a connecting rod is fixedly connected on the side wall of one end of the limiting block, which is far away from the limiting groove, the second spring is sleeved outside the connecting rod, one end of the connecting rod, which is far away from the limiting block, penetrates and extends to the outside of the mounting shell and is welded with a connecting block, the pull rope fixing device is characterized in that a pull rope seat is fixedly connected to the side wall of the connecting block, a pull rope is arranged on the pull rope seat, a wire guide wheel matched with the pull rope for use is further fixedly mounted on the outer side wall of the mounting shell, and one end, far away from the pull rope seat, of the pull rope bypasses the wire guide wheel and is fixedly connected to the wall in a room.
In foretell be used for hotel room prevent stopping up advertisement structure, many gag lever posts of sliding plate upper end fixedly connected with, and first spring all correspond the cover and establish the outside at the gag lever post, the inside slip cavity that cooperation gag lever post used that has still seted up of installation shell, and the gag lever post all runs through sliding connection with slip cavity.
In the anti-blocking advertisement structure for hotel rooms, the anti-blocking block is made of a sound insulation material, and the thickness of the anti-blocking block is larger than the vertical distance between the door and the floor.
In the above anti-blocking advertisement structure for hotel rooms, the connecting rod is connected with the side wall of the mounting shell in a sliding manner in a penetrating manner, and a sliding hole matched with the connecting rod is formed in the mounting shell.
In the above anti-jamming advertisement structure for hotel rooms, the direction of the pull rope between the pull rope seat and the wire guide wheel is parallel to the direction of the connecting rod.
Compared with the prior art, this a prevent blockking up advertisement structure for hotel room's advantage lies in:
1. by arranging the sliding plate and the anti-blocking block to be matched with the limiting mechanism, the stay cord is tightened to transmit when the door is closed, so that the stay cord pulls the limiting block to be separated from the limiting groove, the sliding plate is separated from the limiting position to drive the anti-blocking block to be contacted with the floor, people are prevented from inserting promotion advertisements from the door bottom outside the door, the commercial image of a hotel can be maintained, the adverse effect on customers is avoided, and the garbage pollution can be reduced;
2. the arc-shaped convex block is matched with the anti-blocking block for use, so that the anti-blocking block can be automatically retracted when the door is opened, the process of opening the door cannot be influenced, and the use is more convenient;
3. be greater than the crack and adopt the chock that prevents of sound insulation material to shelter from completely to the crack through setting up thickness, make the syllable-dividing effect in room better to make client's rest environment quieter, the lodging experience is better.
Drawings
Fig. 1 is a schematic view of an anti-blocking advertisement structure for hotel rooms according to the present invention;
FIG. 2 is a cross-sectional view of a portion of a mounting shell of a congestion-preventing advertising structure for a hotel room according to the present invention;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 2;
FIG. 4 is a top view of a congestion-preventing advertising structure for hotel rooms according to the present invention;
fig. 5 is an enlarged schematic view of the structure of part B in fig. 4.
In the figure: 1 door frame, 2 doors, 3 room interior walls, 4 floors, 5 installation shells, 6 mounting grooves, 7 sliding plates, 8 first springs, 9 anti-blocking blocks, 10 arc-shaped convex blocks, 11 limiting grooves, 12 limiting blocks, 13 accommodating grooves, 14 second springs, 15 connecting rods, 16 connecting blocks, 17 stay rope seats, 18 stay ropes, 19 wire guide wheels, 20 limiting rods and 21 sliding cavities.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, an anti-blocking advertisement structure for hotel rooms comprises a door frame 1, a door 2, a room inner wall 3 and a floor 4, wherein the door frame 1 is connected with the door 2 through a hinge, the lower end of the back of the door 2 is fixedly connected with a mounting shell 5, the bottom of the mounting shell 5 is provided with a mounting groove 6, the inside of the mounting groove 6 is slidably connected with a sliding plate 7, the upper end of the sliding plate 7 is fixedly connected with a plurality of first springs 8 with the top wall inside the mounting groove 6, one end of the sliding plate 7 far away from the first springs 8 is positioned outside the mounting groove 6 and welded with an anti-blocking block 9 which is horizontally arranged, and the width of preventing chock 9 equals with door 2 width, prevents that chock 9 keeps away from the one end bottom of door 2 and adopts the arc structure, and floor 4 fixed surface installs the arc lug 10 that cooperation prevent chock 9 used, and the top height of arc lug 10 equals with the bottom surface height of preventing chock 9.
The side wall of the sliding plate 7 is further connected with a limiting mechanism, the limiting mechanism comprises a limiting groove 11, a limiting block 12, a containing groove 13, a second spring 14, a connecting rod 15, a connecting block 16, a pull rope seat 17, a pull rope 18 and a wire guide wheel 19, the limiting groove 11 is formed in the side wall of the sliding plate 7, the limiting block 12 is connected in the limiting groove 11 in a sliding mode, the containing groove 13 matched with the limiting block 12 is further formed in the inner side wall of the mounting groove 6, the second spring 14 is fixedly connected between the side wall of the limiting block 12 and the inner wall of the containing groove 13, the connecting rod 15 is fixedly connected to the side wall of one end, far away from the limiting groove 11, of the limiting block 12, the second spring 14 is sleeved outside the connecting rod 15, one end, far away from the limiting block 12, of the connecting rod 15 penetrates through the mounting shell 5 and extends to the outside of the mounting shell and is welded with, wire wheel 19 and fixed connection are walked around on room interior wall 3 to the one end that stay cord seat 17 was kept away from to stay cord 18, connecting rod 15 runs through sliding connection with installation shell 5 lateral wall, and set up the sliding hole that cooperation connecting rod 15 used in installation shell 5, reduce connecting rod 15 when sliding and the frictional resistance between the installation shell 5, the 18 directions of stay cord that are located between stay cord seat 17 and the wire wheel 19 are parallel with connecting rod 15's direction, make stay cord 18 be in same direction to connecting block 16 and connecting rod 15's power and connecting rod 15, thereby it is more laborsaving to operate.
The upper end of the sliding plate 7 is also fixedly connected with a plurality of limiting rods 20, the first springs 8 are correspondingly sleeved outside the limiting rods 20, a sliding cavity 21 matched with the limiting rods 20 is further formed in the mounting shell 5, the limiting rods 20 are in penetrating sliding connection with the sliding cavity 21, and the sliding process of the sliding plate 7 is limited, so that the sliding plate 7 slides more stably, the anti-blocking block 9 is completely attached to the floor 4, and the anti-blocking effect is better; prevent that chock 9 adopts sound insulation material, and prevent that the thickness of chock 9 is greater than the vertical distance between door 2 and floor 4, make prevent that chock 9 can shelter from the crack completely to play certain syllable-dividing effect, thereby make customer's lodging experience better.
In the invention, when the door 2 is not closed, the anti-blocking block 9 is in a state shown in fig. 1, at the moment, the limiting block 12 is positioned in the limiting groove 11 on the side wall of the sliding plate 7 to limit the sliding plate 7, the first springs 8 are in a compressed state, at the moment, the anti-blocking block 9 is not contacted with the floor 4, and the pull rope 18 is also in a loose state; when a customer enters a room or leaves the room to close the door 2, the stay cord 18 is gradually tightened and starts to pull the stay cord seat 17 and the connecting block 16 along with the closer distance between the door 2 and the door frame 1, so that the limiting block 12 is pulled, when the door 2 is completely closed, the stay cord 18 just pulls the limiting block 12 out of the limiting groove 11, and the sliding plate 7 is driven by the acting force of the first spring 8 to press the anti-blocking block 9 down on the floor 4 after being separated from the limiting block 12, so that people can be prevented from stuffing small advertisements into the room from the bottom of the door 2;
when customer need open door 2, promote door 2 slightly, prevent arc structure and the contact of the arc lug 10 on the floor 4 of chock 9 rear end, the effort that receives arc lug 10 will prevent chock 9 and sliding plate 7 to the inside promotion of mounting groove 6, and because the top height of arc lug 10 equals with the bottom surface height of chock 9, when prevent chock 9 bottom surface and arc lug 10 top height parallel and level, spacing 12 of accomodating the inslot 13 is aimed at just to the spacing groove 11 of sliding plate 7 lateral wall, spacing 12 receives the effort that resets of second spring 14 to promote to support again and establish spacing to sliding plate 7 in spacing groove 11, thereby can carry on spacingly to chock 9, make chock 9 pack up the opening process that can not influence door 2.
Although the terms of the door frame 1, the door 2, the inner wall 3 of the room, the floor 4, the mounting case 5, the mounting groove 6, the sliding plate 7, the first spring 8, the anti-jamming block 9, the arc-shaped protrusion 10, the restraining groove 11, the restraining block 12, the receiving groove 13, the second spring 14, the connecting rod 15, the connecting block 16, the pull rope holder 17, the pull rope 18, the wire guide wheel 19, the restraining rod 20, the sliding chamber 21, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (5)
1. An anti-blocking advertisement structure for hotel rooms comprises a door frame (1), a door (2), a room inner wall (3) and a floor (4), wherein the door frame (1) is connected with the door (2) through a hinge, and is characterized in that the lower end of the back of the door (2) is fixedly connected with a mounting shell (5), the bottom of the mounting shell (5) is provided with a mounting groove (6), the inside of the mounting groove (6) is slidably connected with a sliding plate (7), the side wall of the sliding plate (7) is also connected with a limiting mechanism, a plurality of first springs (8) are fixedly connected between the upper end of the sliding plate (7) and the inner top wall of the mounting groove (6), one end of the sliding plate (7) far away from the first springs (8) is positioned outside the mounting groove (6) and is welded with an anti-blocking block (9) which is horizontally arranged, and the width of the anti-blocking block (9) is equal to the, the bottom of one end, far away from the door (2), of the anti-blocking block (9) is of an arc-shaped structure, an arc-shaped convex block (10) matched with the anti-blocking block (9) in use is fixedly arranged on the surface of the floor (4), and the height of the uppermost end of the arc-shaped convex block (10) is equal to the height of the bottom surface of the anti-blocking block (9);
the limiting mechanism comprises a limiting groove (11) formed in the side wall of the sliding plate (7), a limiting block (12) is connected in the limiting groove (11) in a sliding mode, an accommodating groove (13) matched with the limiting block (12) for use is further formed in the inner side wall of the mounting groove (6), a second spring (14) is fixedly connected between the side wall of the limiting block (12) and the inner wall of the accommodating groove (13), a connecting rod (15) is fixedly connected to the side wall of one end, far away from the limiting groove (11), of the limiting block (12), the second spring (14) is sleeved outside the connecting rod (15), one end, far away from the limiting block (12), of the connecting rod (15) penetrates through the mounting shell (5) and extends to the outside of the mounting shell and is welded with a connecting block (16), a stay rope base (17) is fixedly connected to the side wall of the connecting block (16), a stay rope (18) is arranged on the stay rope base (17), and a, one end of the pull rope (18) far away from the pull rope seat (17) bypasses the wire guide wheel (19) and is fixedly connected to the room inner wall (3);
when the door (2) is not closed, the limiting block (12) is positioned in the limiting groove (11) on the side wall of the sliding plate (7) to limit the sliding plate (7), the first springs (8) are all in a compressed state, the anti-blocking block (9) is not in contact with the floor (4), and the pull rope (18) is also in a loose state; when a customer enters a room or leaves the room to close a door (2), along with the fact that the distance between the door (2) and a door frame (1) is closer and closer, a stay rope (18) is gradually tightened and starts to pull a stay rope seat (17) and a connecting block (16), so that a limiting block (12) is pulled, when the door (2) is completely closed, the stay rope (18) just pulls the limiting block (12) out of a limiting groove (11), and a sliding plate (7) is separated from the limiting position of the limiting block (12) and then is driven by the acting force of a first spring (8) to drive a blocking prevention block (9) to be pressed down onto a floor (4), so that a small advertisement can be prevented from being stuffed into the room from the bottom of the door (2);
when a customer needs to open the door (2), the door (2) is slightly pushed, the arc-shaped structure at the rear end of the anti-blocking block (9) is contacted with the arc-shaped convex block (10) on the floor (4), the anti-blocking block (9) and the sliding plate (7) are pushed towards the inside of the mounting groove (6) under the action force of the arc-shaped convex block (10), and because the height of the uppermost end of the arc-shaped convex block (10) is equal to the height of the bottom surface of the anti-blocking block (9), when the bottom surface of the anti-blocking block (9) is flush with the uppermost height of the arc-shaped convex block (10), the limit groove (11) on the side wall of the sliding plate (7) is just aligned with the limit block (12) in the accommodating groove (13), the limit block (12) is pushed by the reset acting force of the second spring (14) to be propped into the limit groove (11) again to limit the sliding plate (7), therefore, the anti-blocking block (9) can be limited, and the opening process of the door (2) can not be influenced by the retraction of the anti-blocking block (9).
2. The anti-blocking advertisement structure for hotel rooms according to claim 1, wherein a plurality of limiting rods (20) are fixedly connected to the upper end of the sliding plate (7), the first springs (8) are correspondingly sleeved outside the limiting rods (20), a sliding cavity (21) matched with the limiting rods (20) is further formed in the mounting shell (5), and the limiting rods (20) are connected with the sliding cavity (21) in a penetrating and sliding manner.
3. A structure of anti-jam advertisement for hotel rooms as claimed in claim 1, characterized in that the anti-jam block (9) is made of sound insulating material and the thickness of the anti-jam block (9) is larger than the vertical distance between the door (2) and the floor (4).
4. The anti-clogging advertising structure for hotel rooms as claimed in claim 1, wherein the connecting rod (15) is connected with the side wall of the mounting shell (5) in a penetrating and sliding manner, and a sliding hole matched with the connecting rod (15) is formed in the mounting shell (5).
5. A structure as claimed in claim 1, wherein the direction of the pulling rope (18) between the pulling rope seat (17) and the wire guide wheel (19) is parallel to the direction of the connecting rod (15).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291311.2A CN109281595B (en) | 2018-10-31 | 2018-10-31 | A prevent blockking up advertisement structure for hotel room |
| CN201911227953.0A CN110905370B (en) | 2018-10-31 | 2018-10-31 | Anti-blocking advertisement structure for hotel room and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291311.2A CN109281595B (en) | 2018-10-31 | 2018-10-31 | A prevent blockking up advertisement structure for hotel room |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227953.0A Division CN110905370B (en) | 2018-10-31 | 2018-10-31 | Anti-blocking advertisement structure for hotel room and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281595A CN109281595A (en) | 2019-01-29 |
| CN109281595B true CN109281595B (en) | 2020-05-08 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227953.0A Active CN110905370B (en) | 2018-10-31 | 2018-10-31 | Anti-blocking advertisement structure for hotel room and using method thereof |
| CN201811291311.2A Active CN109281595B (en) | 2018-10-31 | 2018-10-31 | A prevent blockking up advertisement structure for hotel room |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911227953.0A Active CN110905370B (en) | 2018-10-31 | 2018-10-31 | Anti-blocking advertisement structure for hotel room and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110905370B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454022A (en) * | 2019-08-15 | 2019-11-15 | 操胜中 | A kind of rain-proof type aluminum window |
| CN111749598B (en) * | 2020-07-01 | 2022-08-16 | 苏州至上软件科技有限公司 | Magnetic control type hotel door anti-blocking small advertisement system |
| CN112664111A (en) * | 2020-12-17 | 2021-04-16 | 刘金香 | Door for preventing hotel adlet |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH569182A5 (en) * | 1973-04-05 | 1975-11-14 | Polio Ets | Actuator for seals of partition walls - is operated by handle and ropes upper and lower spring loaded seals |
| US5675935A (en) * | 1995-07-05 | 1997-10-14 | Lin; Chen-Yi | Door sealing mechanism |
| CN2292890Y (en) * | 1996-02-09 | 1998-09-30 | 刘珂 | Room door and floor contactor |
| JPH10184224A (en) * | 1996-12-20 | 1998-07-14 | Ykk Architect Prod Kk | Sliding door |
| JP2003193764A (en) * | 2001-12-26 | 2003-07-09 | Shibutani:Kk | Door bottom closing device |
| EP1627842B1 (en) * | 2003-05-29 | 2011-04-20 | Mitsubishi Denki Kabushiki Kaisha | Door device of elevator |
| CN102787794A (en) * | 2012-08-31 | 2012-11-21 | 苏州岸肯电子科技有限公司 | Self-sealing device of soundproof door of soundproof room |
| CN204283170U (en) * | 2014-11-02 | 2015-04-22 | 戴中传 | sealing door |
| CN104533259B (en) * | 2014-11-24 | 2016-04-13 | 浙江亚厦装饰股份有限公司 | The closed sound arrester of a kind of end opening |
| CN204591022U (en) * | 2015-04-03 | 2015-08-26 | 浙江海博门业有限公司 | A kind of Anti-air-leakage timber |
| CN104929502B (en) * | 2015-06-19 | 2017-06-09 | 张会珍 | A kind of sealing device and its operating method |
| CN107524396A (en) * | 2017-09-21 | 2017-12-29 | 苏州佳世达电通有限公司 | Block component and door body structure |
| CN207568450U (en) * | 2017-12-08 | 2018-07-03 | 东莞市航盾消防科技有限公司 | A kind of Novel fire-proof door |
| CN108240163A (en) * | 2018-01-05 | 2018-07-03 | 浙江蓝城联合装饰工程有限公司 | Mouth sound arrester under a kind of door |
| CN108571266B (en) * | 2018-03-19 | 2019-06-11 | 杭州富阳富腾人防设备有限公司 | A kind of biparting people's air defense door of movable sill formula |
-
2018
- 2018-10-31 CN CN201911227953.0A patent/CN110905370B/en active Active
- 2018-10-31 CN CN201811291311.2A patent/CN109281595B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110905370B (en) | 2021-12-24 |
| CN110905370A (en) | 2020-03-24 |
| CN109281595A (en) | 2019-01-29 |
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Effective date of registration: 20200410 Address after: 210000, 300, Zhi Hui Road, Qilin science and Technology Innovation Zone, Jiangning District, Jiangsu, Nanjing Applicant after: NANJING XUYURUI MATERIAL TECHNOLOGY Co.,Ltd. Address before: 130022 787 Panshi Road, Nanguan District, Changchun, Jilin Applicant before: Zhang Jing |
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