CN110685567B - Emergency lifesaving device for indoor fire prevention and smoke prevention - Google Patents
Emergency lifesaving device for indoor fire prevention and smoke prevention Download PDFInfo
- Publication number
- CN110685567B CN110685567B CN201911103140.0A CN201911103140A CN110685567B CN 110685567 B CN110685567 B CN 110685567B CN 201911103140 A CN201911103140 A CN 201911103140A CN 110685567 B CN110685567 B CN 110685567B
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- China
- Prior art keywords
- water
- sliding
- fixedly arranged
- cavity
- water outlet
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Classifications
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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
- E06B5/10—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
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
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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
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an emergency lifesaving device for indoor fire prevention and smoke prevention, which comprises fixing blocks fixedly arranged on a wall from left to right, wherein a machine body is fixedly arranged between the fixing blocks, a working cavity with a downward opening is arranged in the machine body, the left side wall and the right side wall of the working cavity are symmetrically provided with open cavities, when a fire occurs, the temperature rises, so that two detectors are crushed, a sliding block gear shifting limiting plate, a driving shaft and a cam rotate, the device can be fixedly arranged on an indoor door top, the normal life is not influenced in daily life, when a fire occurs, people cannot escape in time, dense smoke can be firmly blocked outdoors through fireproof cloth and water spray, and therefore, enough self-rescue and waiting time is provided for indoor people.
Description
Technical Field
The invention relates to the field of fire prevention, in particular to an emergency lifesaving device for indoor fire prevention and smoke prevention.
Background
With the progress of human beings, more and more high buildings come out of the ground, once a fire disaster occurs in the high buildings, escape is difficult to complete, people are required to hide indoors to wait for rescue of firefighters in general situations, and casualties caused by the fire disaster are mostly caused by smoke when the fire disaster occurs in the high buildings in general situations. According to the statistical data of foreign fire, the sufferers who die from fire are fumigated to a percentage, and most of the sufferers who die from fire are fumigated, poisoned and suffocated by smoke, and then burned by big fire;
however, while dense smoke often enters the room through the door gap during normal waiting, so that people are injured by the dense smoke, general fire fighting equipment is directed to a fire source and is difficult to prevent smoke.
Disclosure of Invention
The invention aims to provide an emergency lifesaving device for indoor fire prevention and smoke prevention, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an emergency lifesaving device for indoor fire and smoke prevention comprises fixed blocks fixedly arranged on a wall left and right, a machine body fixedly arranged between the fixed blocks, a working cavity with a downward opening arranged in the machine body, open cavities symmetrically arranged on the left and right side walls of the large working cavity, a trigger cavity arranged on one side of each open cavity, a blocking device for smoke prevention and fire prevention arranged between each open cavity and the working cavity, the blocking device comprising a rotating shaft which is rotationally arranged on the left and right side walls of the working cavity in a bilateral symmetry manner, a piece of fire-proof cloth connected with the rotating shaft, a balancing weight with large mass fixedly arranged on one side of the piece of fire-proof cloth, a driving shaft rotationally connected with the front and back side walls of each open cavity, a limiting plate capable of lifting the balancing weight fixedly arranged on each driving shaft, a cam arranged on the driving shaft, and detectors fixedly arranged on the left and right side walls of, the detector is heated to be broken, a moving rod is connected between one side wall of the opening cavity and one side wall of the trigger cavity in a sliding mode, one side of the moving rod is abutted to the detector, a driven slide block abutted to the cam is fixedly arranged on one side of the moving rod, a water tank is arranged on the top side of the drive cavity, a water inlet pipe is fixedly arranged on the top side of the water tank, a water outlet pipe is arranged on the bottom side of the water tank, a water outlet is connected between the water outlet pipe and the water tank, transverse sliding grooves are symmetrically arranged in the water outlet pipe in a left-right mode, a rope groove is communicated between each transverse sliding groove and the drive cavity, a starting device used for starting water spraying is arranged between each transverse sliding groove and the drive cavity, T-shaped grooves with downward openings are symmetrically arranged on the bottom surface of the machine body in a left-right mode, pressure relief openings, and fixing devices for fixing the fireproof cloth are arranged in the baffle groove and the T-shaped groove.
On the basis of the technical scheme, the wall body is fixedly provided with a door frame, a door is rotatably connected in the door frame, and small racks are symmetrically and fixedly arranged on the left side and the right side of the door frame.
On the basis of the technical scheme, the starting device is slidably mounted on the movable sliding block in the driving cavity, the bottom surface of the movable sliding block is fixedly provided with a butt joint block, a roller is rotatably connected in the butt joint block, the roller is abutted against the fireproof cloth, each transverse sliding groove is slidably connected with a baffle, a connection opening which can be connected with the water outlet pipe is formed in the baffle, and a connecting spring is connected between the baffle and the transverse sliding groove.
On the basis of the technical scheme, the fixing device comprises sliding plates which are arranged in the T-shaped groove in a bilateral symmetry sliding mode, a return spring is connected between the sliding plates and the T-shaped groove, pulleys are connected to the bottom surface of each sliding plate in a bilateral symmetry rotating mode, a vertical shaft is connected to the bottom surface of each sliding plate in a rotating mode, a water pressure sliding block which is connected with the water outlet pipe in a sliding mode is fixedly arranged on one side surface of each sliding plate, a decompressing block which can seal the pressure relief opening is connected to the baffle groove in a sliding mode, a small spring is connected between the decompressing block and the baffle groove, a rope is connected to the bottom surface of the decompressing block, a pull ring is connected to the bottom surface of the rope, a moving plate is fixedly arranged on each vertical shaft, a meshing gear which can be meshed with the small rack is fixedly arranged on each vertical shaft, a spring plate is connected to the moving, the spring plate can clamp the fireproof cloth.
On the basis of the technical scheme, the water outlet pipe is communicated with connecting pipelines in a bilateral symmetry mode, and spray heads used for spraying the fireproof cloth with moisture are fixedly arranged on the bottom sides of the connecting pipelines.
On the basis of the technical scheme, a certain amount of water can be stored in the water tank, and when the water inlet pipe cannot supply water, the water in the water tank can still provide a certain amount of water.
In conclusion, the beneficial effects of the invention are as follows: this device can fixed mounting at indoor door top, in daily, do not influence normal life, come interim when the conflagration, people can't in time escape, can firmly keep off dense cigarette in outdoor through fire prevention cloth and water spray, thereby provide sufficient saving oneself and latency for indoor people, thereby people's survival rate has been improved, this device only can start when two detectors are broken simultaneously, make the practicality and the stability of this device can ensure, this device can manually remove simultaneously, make the security performance of this device can ensure.
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a main view structure schematic diagram of the whole section of an emergency lifesaving device for indoor fire prevention and smoke prevention of the invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 3 is a cross-sectional view taken along the line B-B of fig. 1 in accordance with the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features and/or steps are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, front and rear directions described below correspond to the front, back, left, right, top and bottom directions of the view direction of fig. 1, fig. 1 is a front view of the apparatus of the present invention, and the directions shown in fig. 1 correspond to the front, back, left, right, top and bottom directions of the apparatus of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: an emergency lifesaving device for indoor fire and smoke prevention comprises fixing blocks 36 fixedly arranged on a wall at left and right sides, a machine body 21 is fixedly arranged between the fixing blocks 36, a working cavity 38 with a downward opening is arranged in the machine body 21, open cavities 62 are symmetrically arranged on the left and right side walls of the large working cavity 38, a trigger cavity 64 is arranged on one side of each open cavity 62, a blocking device 101 for smoke prevention and fire prevention is arranged between each open cavity 62 and the working cavity 38, each blocking device 101 comprises a rotating shaft 41 which is rotatably arranged on the left and right side walls of the working cavity 38 in a bilateral symmetry manner, a fireproof cloth 40 is connected onto the rotating shaft 41, a balancing weight 39 with a large mass is fixedly arranged on one side of the fireproof cloth 40, a driving shaft 60 is rotatably connected onto the front and back side walls of each open cavity 62, and a limiting plate 59 capable of lifting the balancing weight 39 is fixedly arranged on each driving shaft 60, the driving shaft 60 is further provided with a cam 58, the left and right side walls of the trigger cavity 64 are fixedly provided with a detector 65, the detector 65 is broken by heating, one side wall of the open cavity 62 and one side wall of the trigger cavity 64 are connected with a moving rod 63 in a sliding manner, one side of the moving rod 63 is abutted to the detector 65, one side of the moving rod 63 is fixedly provided with a driven sliding block 61 abutted to the cam 58, the top side of the driving cavity 24 is provided with a water tank 22, the top side of the water tank 22 is fixedly provided with a water inlet pipe 90, the bottom side of the water tank 22 is provided with a water outlet pipe 23, a water outlet 25 is connected between the water outlet pipe 23 and the water tank 22, the water outlet pipe 23 is symmetrically provided with transverse sliding grooves 33, each transverse sliding groove 33 is communicated with a rope groove 31 between the driving cavity 24, and a starting device 102 for starting water spraying is arranged between the transverse sliding grooves 33, t-shaped grooves 89 with downward openings are symmetrically arranged on the left and right of the bottom surface of the machine body 21, pressure relief openings 52 are symmetrically arranged on one side wall of the water outlet pipe 23, a baffle groove 50 is arranged in each pressure relief opening 52, and fixing devices 103 used for fixing the fireproof cloth 40 are arranged in the baffle grooves 50 and the T-shaped grooves 89.
In addition, in one embodiment, a door frame 47 is fixedly installed on the wall body, a door 48 is rotatably connected in the door frame 47, and small racks 46 are symmetrically and fixedly installed on the left side and the right side of the door frame 47.
In addition, in one embodiment, the actuation device 102 is slidably mounted to the movable slide 26 in the drive chamber 24, the bottom surface of the movable sliding block 26 is fixedly provided with a butt joint block 28, a roller 27 is rotatably connected in the butt joint block 28, the roller 27 is abutted with the fireproof cloth 40, a baffle 34 is connected in each transverse sliding groove 33 in a sliding way, the baffle 34 is provided with a connecting opening 35 which can be communicated with the water outlet pipe 23, a connecting spring 32 is connected between the baffle 34 and the transverse sliding groove 33, a steel rope 29 is connected between each baffle 34 and the movable sliding block 26, the gravity of the movable sliding block 26 is far greater than the elastic force of the connecting spring 32, when the abutting block 28 and the moving slide block 26 move downwards, the baffle 34 is driven to move, and the communicating opening 35 is communicated with the water outlet pipe 23.
In addition, in one embodiment, the fixing device 103 includes sliding plates 55 which are bilaterally symmetrically and slidably installed in the T-shaped groove 89, a return spring 56 is connected between the sliding plates 55 and the T-shaped groove 89, a pulley 54 is bilaterally symmetrically and rotatably connected to the bottom surface of each sliding plate 55, a vertical shaft 42 is rotatably connected to the bottom surface of each sliding plate 55, a hydraulic slider 53 slidably connected to the water outlet pipe 23 is fixedly arranged on one side surface of each sliding plate 55, a pressure releasing block 51 capable of sealing the pressure releasing port 52 is slidably connected to the baffle groove 50, a small spring 49 is connected between each pressure releasing block 51 and the baffle groove 50, a rope 66 is connected to the bottom surface of each pressure releasing block 51, a pull ring 43 is connected to the bottom surface of each rope 66, a moving plate 67 is respectively fixedly arranged on each vertical shaft 42, and an engaging gear 44 capable of engaging with the small rack 46 is fixedly arranged on each, the movable plate 67 is connected with a spring plate 45 in a sliding mode, an adjusting spring 68 is connected between the spring plate 45 and the movable plate 67, the spring plate 45 can clamp the fireproof cloth 40, so that when the water outlet pipe 23 is filled with water, the water pressure slide block 53 is pushed, the slide plate 55, the vertical shaft 42 and the movable plate 67 are pushed to one side, and when the meshing gear 44 is meshed with the small rack 46, the movable plate 67 is driven to turn over, so that the fireproof cloth 40 placed down is clamped through the spring plate 45.
In addition, in one embodiment, the water outlet pipe 23 is symmetrically communicated with a connecting pipe 30, and a spray head 37 for spraying moisture on the fire-proof cloth 40 is fixedly arranged on the bottom side of the connecting pipe 30.
In addition, in one embodiment, the water tank 22 may store a certain amount of water, and when the water inlet pipe 90 fails to supply water, the water in the water tank 22 may still provide a certain amount of water.
In the initial state, the balancing weight 39 is located at the top side, the connecting port 35 is not connected with the water outlet pipe 23, the movable sliding block 26 and the abutting block 28 are located at the top side, and the water tank 22 and the water inlet pipe 90 are filled with water.
When a big fire comes, the temperature rises, so that the two detectors 65 are broken, the shift limiting plate 59 of the movable sliding block 26, the driving shaft 60 and the cam 58 rotate, the driven sliding block 61 and the movable rod 63 are driven to move, the balancing weight 39 moves downwards, the fireproof cloth 40 and the rotating shaft 41 are driven to rotate, the fireproof cloth 40 covers the door frame 47 and the door 48, the abutting block 28 and the movable sliding block 26 move downwards in the process, the baffle 34 is driven to move, when the balancing weight 39 moves to the bottommost side, the roller 27, the abutting block 28 and the movable sliding block 26 are positioned at the bottom side, the abutting port 35 is communicated with the water outlet pipe 23, the water inlet pipe 90 and the water tank 22 flow into the water outlet pipe 23 through the water outlet 25, the fireproof cloth 40 is wetted through the connecting pipeline 30 and the spray nozzle 37, smoke hardly enters, and when the water outlet pipe 23 is filled with thick water, thereby promote water pressure slider 53, thereby slide 55, vertical axis 42 and movable plate 67 are promoted toward one side, when meshing gear 44 and little rack 46 meshing, thereby drive the upset of movable plate 67, thereby it is tight to press from both sides the fire prevention cloth 40 that will put down through spring board 45, thereby it is indoor to make dense cigarette more difficult to get into, when the fire fighter can come in, will with the hand pull ring 43 pulling down, thereby drive rope 66 and decompression piece 51 and move down, thereby make pressure release mouth 52 open, the water pressure in outlet pipe 23 reduces, water pressure slider 53, slide 55, vertical axis 42 and detector 65 reset, thereby it can with the hand with take off balancing weight 39.
The invention has the beneficial effects that: this device can fixed mounting at indoor door top, in daily, do not influence normal life, come interim when the conflagration, people can't in time escape, can firmly keep off dense cigarette in outdoor through fire prevention cloth and water spray, thereby provide sufficient saving oneself and latency for indoor people, thereby people's survival rate has been improved, this device only can start when two detectors are broken simultaneously, make the practicality and the stability of this device can ensure, this device can manually remove simultaneously, make the security performance of this device can ensure.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (1)
1. The utility model provides an urgent life saving equipment for indoor fire prevention smoke protection, fixed mounting fixed block on the wall about including, its characterized in that: a machine body is fixedly arranged between the fixed blocks, a working cavity with a downward opening is arranged in the machine body, the left and right side walls with the large working cavity are symmetrically provided with opening cavities, one side of each opening cavity is provided with a trigger cavity, a blocking device for smoke prevention and fire prevention is arranged between the opening cavity and the working cavity, the blocking device comprises rotating shafts which are rotationally arranged on the left and right side walls of the working cavity in a bilateral symmetry manner, fire prevention cloth is connected onto the rotating shafts, one side of the fire prevention cloth is fixedly provided with a balancing weight with large mass, the front and rear side walls of each opening cavity are rotationally connected with a driving shaft, each driving shaft is fixedly provided with a limiting plate capable of lifting the balancing weight, a cam is further arranged on the driving shaft, the left and right side walls of the trigger cavity are fixedly provided with detectors which are broken by heating, and a movable rod is slidably connected between one side wall of the opening, one side of the moving rod is abutted with the detector, a driven sliding block abutted with the cam is fixedly arranged on one side of the moving rod, a water tank is arranged on the top side of the driving cavity, a water inlet pipe is fixedly arranged on the top side of the water tank, a water outlet pipe is arranged on the bottom side of the water tank, a water outlet is connected between the water outlet pipe and the water tank, transverse sliding grooves are symmetrically arranged in the water outlet pipe in the left and right direction, a rope groove is communicated between each transverse sliding groove and the driving cavity, a starting device for starting water spraying is arranged between each transverse sliding groove and the driving cavity, T-shaped grooves with downward openings are symmetrically arranged on the bottom surface of the machine body in the left and right direction, pressure relief openings are symmetrically arranged on one side wall of the water outlet pipe, a baffle groove is arranged in each pressure relief opening, and a fixing device for fixing; the wall body is fixedly provided with a door frame, a door is rotatably connected in the door frame, and small racks are symmetrically and fixedly arranged on the left side and the right side of the door frame; the starting device is slidably mounted on a movable sliding block in the driving cavity, a butting block is fixedly arranged on the bottom surface of the movable sliding block, a roller is rotatably connected in the butting block and is butted with the fireproof cloth, a baffle is slidably connected in each transverse sliding groove, a communicating opening communicated with the water outlet pipe is formed in each baffle, and a connecting spring is connected between each baffle and the transverse sliding groove; the fixing device comprises sliding plates which are arranged in the T-shaped groove in a bilateral symmetry sliding mode, return springs are connected between the sliding plates and the T-shaped groove, pulleys are connected to the bottom surface of each sliding plate in a bilateral symmetry rotating mode, a vertical shaft is connected to the bottom surface of each sliding plate in a rotating mode, a water pressure sliding block in sliding connection with the water outlet pipe is fixedly arranged on one side surface of each sliding plate, a decompressing block capable of sealing the pressure relief opening is connected in the baffle groove in a sliding mode, a small spring is connected between the decompressing block and the baffle groove, a rope is connected to the bottom surface of the decompressing block, a pull ring is connected to the bottom surface of the rope, a moving plate is fixedly arranged on each vertical shaft respectively, a meshing gear capable of being meshed with the small rack is fixedly arranged on each vertical shaft, a spring plate is connected in the moving plate in a sliding mode, the spring plate can clamp the fireproof cloth; the water outlet pipe is communicated with connecting pipelines in a bilateral symmetry mode, and spray heads used for spraying the fireproof cloth with moisture are fixedly arranged on the bottom sides of the connecting pipelines; the water tank can store a certain amount of water, and when the water inlet pipe cannot supply water, the water in the water tank can still provide a certain amount of water.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103140.0A CN110685567B (en) | 2019-11-12 | 2019-11-12 | Emergency lifesaving device for indoor fire prevention and smoke prevention |
| GBGB2002524.3A GB202002524D0 (en) | 2019-11-12 | 2020-02-24 | An emergency life-saving device for indoor fire prevention and smoke prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911103140.0A CN110685567B (en) | 2019-11-12 | 2019-11-12 | Emergency lifesaving device for indoor fire prevention and smoke prevention |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110685567A CN110685567A (en) | 2020-01-14 |
| CN110685567B true CN110685567B (en) | 2020-12-25 |
Family
ID=69116343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911103140.0A Active CN110685567B (en) | 2019-11-12 | 2019-11-12 | Emergency lifesaving device for indoor fire prevention and smoke prevention |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110685567B (en) |
| GB (1) | GB202002524D0 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530009B (en) * | 2020-05-20 | 2021-03-26 | 重庆融略科技有限公司 | Wisdom high-rise building fire extinguishing system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237705Y (en) * | 1995-05-26 | 1996-10-16 | 董士聪 | Temperature control mechanism of fireproof door releaser |
| CN2292153Y (en) * | 1997-06-05 | 1998-09-23 | 李健辉 | Smoke-proof and fire-proof scroll curtain device |
| CN204663581U (en) * | 2015-04-25 | 2015-09-23 | 西安科技大学 | A kind of mining water curtain fire resistance rolling shutter door with safety door |
| CN105113954B (en) * | 2015-09-18 | 2017-03-01 | 安徽安旺门业有限公司 | A kind of super fire resistant roller shutter |
-
2019
- 2019-11-12 CN CN201911103140.0A patent/CN110685567B/en active Active
-
2020
- 2020-02-24 GB GBGB2002524.3A patent/GB202002524D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN110685567A (en) | 2020-01-14 |
| GB202002524D0 (en) | 2020-04-08 |
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Effective date of registration: 20201201 Address after: 314000 Building D, no.1088 Hongyun Road, Honghe Town, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Dingxing Enterprise Management Co., Ltd Address before: Unit 1005-2, building 10, Fuzhou Zhengrong Fortune Center, No.18 Xinbao Road, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Applicant before: Fuzhou High-tech Zone Lingfu Technology Co.,Ltd. |
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