CN110847783A - Fire extinguishing type safety door - Google Patents
Fire extinguishing type safety door Download PDFInfo
- Publication number
- CN110847783A CN110847783A CN201911192377.0A CN201911192377A CN110847783A CN 110847783 A CN110847783 A CN 110847783A CN 201911192377 A CN201911192377 A CN 201911192377A CN 110847783 A CN110847783 A CN 110847783A
- Authority
- CN
- China
- Prior art keywords
- door
- riser
- fire
- fire extinguishing
- type safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 239000007858 starting material Substances 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 9
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/14—Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
- E05F15/641—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements operated by friction wheels
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
-
- 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
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/161—Profile members therefor
-
- 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
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
- E05Y2900/134—Fire doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Special Wing (AREA)
Abstract
The utility model provides a type of putting out a fire emergency exit, the utility model relates to a safety door, including stop device, it is connected with positioner to keep off the device, positioner inside is equipped with prevents fire door and the relation of connection between the two is sliding connection, prevent fire door and pillar C and pass through locking device and be connected, be equipped with the starter on the pillar C, this safety door can carry out automation or manual when the conflagration breaing out and close it, can stop flame after closing, simultaneously can also cool down to the door through the inside water bag of preventing fire door, can make the time that prevents fire door separation flame and stretch more of a specified duration, give other people and flee for sufficient time, when preventing fire door damage simultaneously, the water bag also can take place to burst, make water overflow, go out flame, equally can also increase the time of fleing, this device can strive for abundant time to flee for, the one deck guarantee.
Description
Technical Field
The invention relates to a safety door, in particular to a fire-extinguishing type safety door.
Background
The door has a light weight in family life, which is indispensable for home, especially a wooden door, and is widely applied to indoor rooms, the existing indoor wooden door has single function and style, the wooden door cannot be fully utilized, and the fire cannot be effectively prevented, the existing residential building is higher and higher, the fire happens in the future, although the fire-proof knowledge is popularized at present, fire-fighting equipment can also be arranged in the building, most of the fire disasters are caused by the fact that the fire condition happens in the home and cannot be timely put out and the fire is spread, and finally people are affected, the fire-fighting equipment in the building cannot be put out to the inside of the room at the first time, and immeasurable loss can be brought to the lives and properties of people when the fire spreads to the inside, so as to solve the technical problems, a new technical scheme is provided.
Disclosure of Invention
The present invention is directed to a fire extinguishing type safety door to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire extinguishing type emergency exit, includes blocking device, keeps off the device and is connected with positioner, and positioner inside is equipped with prevents that fire door and the relation of connection between the two is sliding connection, prevents that fire door and pillar C pass through locking device and is connected, is equipped with the starter on the pillar C.
Preferably, the blocking device comprises a pillar A, a pillar B, a separation net and a frame, the pillar A and the pillar B are both connected with the bottom plate, a gap exists between the pillar A and the pillar B, the pillar B is connected with the frame, the separation net is arranged in the frame, a fireproof layer is pasted on the separation net, and the frame is connected with the positioning device.
Preferably, the positioning device comprises two groups of fixing devices and a plurality of groups of connecting devices, one group of fixing devices is connected with the frame in the blocking device, meanwhile, the group of fixing devices is connected with one end of the connecting device, the other end of the connecting device is connected with the other group of fixing devices, and the fixing devices are connected with the fireproof door.
Preferably, fixing device include roof, riser A, rolling device and riser B, riser A and riser B be located same bottom plate, there is the clearance between riser A and the riser B, be equipped with fire door among this clearance, be equipped with a plurality of rolling device on the riser A, rolling device contacts with fire door, is equipped with a plurality of rolling device on the riser B equally, this rolling device contacts with fire door, riser A is connected with the roof with riser B top.
Preferably, the connecting device comprises two connecting rods, one of the connecting rods is connected with the two vertical plates A in the two sets of fixing devices, and the other connecting rod is connected with the two vertical plates B in the two sets of fixing devices.
Preferably, the locking device comprises a lock catch A and a lock catch B, the lock catch A is located on the pillar C, the lock catch A is connected with the lock catch B, and the lock catch B is located on the fireproof door.
Preferably, prevent fire door by two-layer decorative board, two-layer collision prevention board, one deck PLASTIC LAMINATED and one deck water baffle constitute, two-layer decorative board be located outmost, accompany two-layer collision prevention board between the two-layer decorative board, be equipped with one deck PLASTIC LAMINATED and one deck water baffle between the two-layer collision prevention board, the water baffle has the water bag and is located the inside water of water bag and constitutes.
Preferably, the bottom of the fireproof door is provided with an auxiliary wheel.
Compared with the prior art, the invention has the beneficial effects that: this emergency exit can carry out automation or manual when the conflagration breaing out and close it, can stop flame after closing, can also cool down the door through the inside water bag of preventing fire door simultaneously, can make the time that prevents fire door separation flame and stretch for a longer time, give people and flee for sufficient time, when preventing fire door damage simultaneously, the water bag also can take place to burst, make water overflow, go into to extinguish flame, the time of fleing can also be increased equally, this device can strive for abundant time and flee for, the one deck guarantee has been added to the safety of giving life and property.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the rolling device according to the present invention.
FIG. 3 is a schematic view of a scrolling device according to an embodiment of the present invention.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the drawings, the present invention provides a technical solution: a fire extinguishing type safety door comprises a blocking device, wherein the blocking device is connected with a positioning device, a fire door 12 is arranged inside the positioning device, the fire door 12 and a support C7 are connected in a sliding mode through a locking device, and a starter 8 is arranged on the support C7.
Preferably, the blocking device comprises a support A1, a support B2, a separation net 3 and a frame 4, wherein the support A1 and the support B2 are both connected with the bottom plate, a gap exists between the support A1 and the support B2, the support B2 is connected with the frame 4, the separation net 3 is arranged inside the frame 4, a fireproof layer is adhered on the separation net 3, and the frame 4 is connected with the positioning device.
Preferably, the positioning device comprises two sets of fixing devices 6 and a plurality of sets of connecting devices, one set of fixing device 6 is connected with the frame 4 in the blocking device, meanwhile, the set of fixing device 6 is connected with one end of the connecting device, the other end of the connecting device is connected with the other set of fixing device 6, and the fixing device 6 is connected with the fireproof door 12.
Preferably, the fixing device includes a top plate 601, a vertical plate a602, a rolling device 603, and a vertical plate B604, the vertical plate a602 and the vertical plate B604 are located on the same bottom plate, a gap exists between the vertical plate a602 and the vertical plate B604, a fire door 12 is disposed in the gap, the vertical plate a602 is provided with a plurality of rolling devices 603, the rolling devices 603 are in contact with the fire door 12, the vertical plate B604 is also provided with a plurality of rolling devices 603, the rolling devices 603 are in contact with the fire door 12, and the tops of the vertical plate a602 and the vertical plate B604 are connected with the top plate. The rolling device 603 has the following structure, the rolling device 603 comprises a connecting plate 301, inclined plates 302, a rotating shaft 303 and rollers 304, the connecting plate 301 is connected with a vertical plate a602 or a vertical plate B604, two inclined plates 302 are arranged on the connecting plate 301, the rollers 304 are arranged between the two inclined plates 302, and the rollers 304 are connected with the inclined plates 301 through the rotating shaft 303. In this case, the fireproof door 12 is manually closed or opened, and in the following embodiment of automatic opening, the other structure of the rolling device 603 is not changed, and a motor 307 is connected to the rotating shaft 303, and is driven by the motor 307 to be automatically opened or closed, and in order to better protect the motor 307, a motor box 306 is added on the periphery of the motor 307.
Preferably, the connecting device comprises two connecting rods 5, wherein one connecting rod 5 is connected with two vertical plates a602 in two sets of fixing devices 6, and the other connecting rod 5 is connected with two vertical plates B604 in two sets of fixing devices 6.
Preferably, the locking device comprises a lock catch A9 and a lock catch B10, the lock catch A9 is located on the pillar C7, the lock catch A9 is connected with the lock catch B10, and the lock catch B10 is located on the fire door 12.
Preferably, prevent fire door 12 constitute by two-layer decorative board, two-layer collision prevention board, one deck PLASTIC LAMINATED and one deck water baffle, two-layer decorative board be located outmost, accompany two-layer collision prevention board between the two-layer decorative board, be equipped with one deck PLASTIC LAMINATED and one deck water baffle between the two-layer collision prevention board, the water baffle has the water bag and is located the inside water of water bag and constitutes.
Preferably, the bottom of the fireproof door 12 is provided with an auxiliary wheel 11.
The specific working principle is as follows: the device is characterized in that the fire door 12 in the device is in an open state before a fire disaster happens, and when the fire disaster happens, the fire door 12 can be closed manually or automatically, meanwhile, the fire-proof layer is arranged on the separation net 3, the fire-proof layer and the fire-proof door 12 are made of the same material, the safety door can be automatically or manually closed when a fire occurs, after the fire door is closed, the fire can be stopped, meanwhile, the door can be cooled through the water bag in the fire door 12, the time for preventing the fire from spreading by the fire door can be longer, the escape time can be given to people, and meanwhile, when the fire door is damaged, the water bag can burst to overflow water, the device can also increase the escape time when the flame is extinguished, can strive for sufficient time to escape, and provides one more layer of guarantee for the safety of life and property.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientation or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (8)
1. A fire extinguishing type safety door comprises a blocking device, and is characterized in that: the blocking device is connected with the positioning device, the positioning device is internally provided with a fireproof door, the fireproof door and the supporting column C are connected in a sliding mode through a locking device, and the supporting column C is provided with a starter.
2. A fire extinguishing type safety door according to claim 1, wherein: the blocking device comprises a support column A, a support column B, a separation net and a frame, wherein the support column A and the support column B are both connected with the bottom plate, a gap exists between the support column A and the support column B, the support column B is connected with the frame, the separation net is arranged in the frame, a fireproof layer is pasted on the separation net, and the frame is connected with the positioning device.
3. A fire extinguishing type safety door according to claim 1, wherein: the positioning device comprises two groups of fixing devices and a plurality of groups of connecting devices, wherein one group of fixing devices is connected with the frame in the blocking device, meanwhile, the group of fixing devices is connected with one end of the connecting device, the other end of the connecting device is connected with the other group of fixing devices, and the fixing devices are connected with the fireproof door.
4. A fire extinguishing type safety door according to claim 3, wherein: fixing device include roof, riser A, rolling device and riser B, riser A and riser B be located same bottom plate, have the clearance between riser A and the riser B, be equipped with fire door among this clearance, be equipped with a plurality of rolling device on the riser A, rolling device contacts with preventing fire door, is equipped with a plurality of rolling device on the riser B equally, this rolling device contacts with preventing fire door, riser A is connected with the roof with riser B top.
5. A fire extinguishing type safety door according to claim 3, wherein: the connecting device comprises two connecting rods, wherein one connecting rod is connected with two vertical plates A in the two groups of fixing devices, and the other connecting rod is connected with two vertical plates B in the two groups of fixing devices.
6. A fire extinguishing type safety door according to claim 1, wherein: the locking device comprises a lock catch A and a lock catch B, wherein the lock catch A is positioned on the strut C and connected with the lock catch B, and the lock catch B is positioned on the fireproof door.
7. A fire extinguishing type safety door according to claim 1, wherein: prevent fire door by two-layer decorative board, two-layer collision prevention board, one deck PLASTIC LAMINATED and one deck water baffle constitute, two-layer decorative board be located outmost, accompany two-layer collision prevention board between the two-layer decorative board, be equipped with one deck PLASTIC LAMINATED and one deck water baffle between the two-layer collision prevention board, the water baffle has the water bag and is located the inside water of water bag and constitutes.
8. A fire extinguishing type safety door according to claim 1 or 7, wherein: the bottom of the fireproof door is provided with an auxiliary wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192377.0A CN110847783A (en) | 2019-11-28 | 2019-11-28 | Fire extinguishing type safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192377.0A CN110847783A (en) | 2019-11-28 | 2019-11-28 | Fire extinguishing type safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110847783A true CN110847783A (en) | 2020-02-28 |
Family
ID=69606557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911192377.0A Pending CN110847783A (en) | 2019-11-28 | 2019-11-28 | Fire extinguishing type safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110847783A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0590578A1 (en) * | 1992-09-28 | 1994-04-06 | Hans Lechtenböhmer | Sliding gate apparatus |
| CN101705780A (en) * | 2009-11-03 | 2010-05-12 | 霍志文 | Driving mechanism of sliding door |
| US20150047261A1 (en) * | 2011-02-04 | 2015-02-19 | Hy-Security Gate, Inc. | Positive drive for sliding gate operation |
| CN204457295U (en) * | 2015-02-06 | 2015-07-08 | 佛山市南海日团五金塑料制品有限公司 | A kind of suspension door moving structure |
| CN204716078U (en) * | 2015-06-10 | 2015-10-21 | 漳州市云木轩家具有限公司 | A kind of labeled door |
| CN105298345A (en) * | 2015-11-02 | 2016-02-03 | 天奇自动化工程股份有限公司 | Friction type safety protection sliding door |
| US20170101816A1 (en) * | 2015-10-12 | 2017-04-13 | Paul Michael Kozonasky | Remote Window Opening Device |
| CN206987657U (en) * | 2017-05-10 | 2018-02-09 | 上海蓝天房屋装饰工程有限公司 | A kind of fire prevention hanger rail sliding door for banquet hall |
| CN207278131U (en) * | 2017-08-14 | 2018-04-27 | 沁阳市沁星消防工程有限公司 | A kind of plug-type fire resistant doorsets |
| CN207794990U (en) * | 2017-11-24 | 2018-08-31 | 垫江县和欣钢质门有限公司 | A kind of fire resistant doorsets with extinguishing device |
| CN109296299A (en) * | 2018-11-29 | 2019-02-01 | 商丘师范学院 | A kind of fireproof safety door |
-
2019
- 2019-11-28 CN CN201911192377.0A patent/CN110847783A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0590578A1 (en) * | 1992-09-28 | 1994-04-06 | Hans Lechtenböhmer | Sliding gate apparatus |
| CN101705780A (en) * | 2009-11-03 | 2010-05-12 | 霍志文 | Driving mechanism of sliding door |
| US20150047261A1 (en) * | 2011-02-04 | 2015-02-19 | Hy-Security Gate, Inc. | Positive drive for sliding gate operation |
| CN204457295U (en) * | 2015-02-06 | 2015-07-08 | 佛山市南海日团五金塑料制品有限公司 | A kind of suspension door moving structure |
| CN204716078U (en) * | 2015-06-10 | 2015-10-21 | 漳州市云木轩家具有限公司 | A kind of labeled door |
| US20170101816A1 (en) * | 2015-10-12 | 2017-04-13 | Paul Michael Kozonasky | Remote Window Opening Device |
| CN105298345A (en) * | 2015-11-02 | 2016-02-03 | 天奇自动化工程股份有限公司 | Friction type safety protection sliding door |
| CN206987657U (en) * | 2017-05-10 | 2018-02-09 | 上海蓝天房屋装饰工程有限公司 | A kind of fire prevention hanger rail sliding door for banquet hall |
| CN207278131U (en) * | 2017-08-14 | 2018-04-27 | 沁阳市沁星消防工程有限公司 | A kind of plug-type fire resistant doorsets |
| CN207794990U (en) * | 2017-11-24 | 2018-08-31 | 垫江县和欣钢质门有限公司 | A kind of fire resistant doorsets with extinguishing device |
| CN109296299A (en) * | 2018-11-29 | 2019-02-01 | 商丘师范学院 | A kind of fireproof safety door |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200228 |
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