CN105927120B - A kind of suspension type fire-proof shock-proof door - Google Patents
A kind of suspension type fire-proof shock-proof door Download PDFInfo
- Publication number
- CN105927120B CN105927120B CN201610408336.0A CN201610408336A CN105927120B CN 105927120 B CN105927120 B CN 105927120B CN 201610408336 A CN201610408336 A CN 201610408336A CN 105927120 B CN105927120 B CN 105927120B
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- China
- Prior art keywords
- proof
- support member
- door leaf
- suspension type
- type fire
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- 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.)
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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
-
- 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
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
-
- 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
- E06B3/70—Door leaves
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
-
- 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
- E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
- E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
-
- 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
-
- 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
- E06B5/162—Fireproof doors having windows or other openings, e.g. for permitting ventilation or escape
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of suspension type fire-proof shock-proof door, including steel superstructure support member, angle support member, interior doorframe, exterior door frame and bottom steel structure support part；The steel superstructure support member is arranged on wall, and steel superstructure support member is located at the lower section of lintel, bottom steel structure support part is fixed on the ground, exterior door frame upper end is fixedly attached to steel superstructure support member, lower end is fixedly attached to bottom steel structure support part, and exterior door frame is arranged in wall；The interior doorframe is arranged in exterior door frame, with being connected at the corner of exterior door frame by angle support member at the corner of interior doorframe, angle support member includes compression cylinder, constrictor and connecting rod, compression cylinder is slidably located in outside constrictor, spring is provided between constrictor bottom and compression cylinder bottom, constrictor front end is connected to connecting rod by spherical hinge；The inside door inframe is provided with door leaf.The suspension type fire-proof shock-proof door security performance is high, still can be used in the case of earthquake or house natural deformation.
Description
Technical field
The present invention relates to a kind of door, specifically a kind of suspension type fire-proof shock-proof door.
Background technology
With continuing to develop for society, while the wealth of society is increasing, the danger for occurring fire is caused also to exist
Increase, the harmfulness of fire is also increasing.According to statistics, China's fire seventies annual loss is less than 2.5 hundred million yuan, the eighties
Fire annual is lost less than 3.2 hundred million yuan.Since the nineties, particularly 1993 year, the direct goods that fire is caused are damaged
Mistake rises to average annual more than ten00000000 yuan, average annual dead people more than 2000.It was verified that with society and expanding economy, fire-fighting work
Importance just increasingly protrude.In order to reduce the loss that fire is made to life and property, increasing construction and installation
Fire resistant doorsets.Existing Fireproof door structure is compact, in the case where occurring fire, earthquake or the effect of other external force, easily causes fire resistant doorsets change
Shape, causes fire resistant doorsets to be difficult to open, once there is fire resistant doorsets deformation, will have a strong impact on the escape under fire or earthquake conditions with
And rescue work.
The content of the invention
It is an object of the invention to provide a kind of suspension type fire-proof shock-proof door, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of suspension type fire-proof shock-proof door, including steel superstructure support member, angle support member, interior doorframe, exterior door frame and under
Portion's steel structure support part；The steel superstructure support member is arranged on wall, and steel superstructure support member is located at lintel
Lower section；The bottom steel structure support part is fixed on the ground, and bottom steel structure support part exists with steel superstructure support member
Position is corresponding on vertical direction；The exterior door frame upper end is fixedly attached to steel superstructure support member, and lower end is fixedly attached to
Bottom steel structure support part, and exterior door frame is in wall；The interior doorframe is arranged in exterior door frame, at the corner of interior doorframe
With being connected at the corner of exterior door frame by angle support member, the angle support member includes compression cylinder, constrictor and connecting rod, compression cylinder
It is slidably located in outside constrictor, spring is provided between constrictor bottom and compression cylinder bottom, constrictor front end passes through spherical hinge
It is connected to connecting rod；The inside door inframe is provided with door leaf.
It is used as further scheme of the invention：Space, and the sky are left between the steel superstructure support member and lintel
In gap cushion is formed filled with padded coaming.
It is used as further scheme of the invention：It is filled with space between the bottom steel structure support part and ground
Padded coaming formation bottom breaker.
It is used as further scheme of the invention：Multiple support bars are additionally provided between the interior doorframe and exterior door frame.
It is used as further scheme of the invention：Padded coaming formation door is also filled between the interior doorframe and exterior door frame
Cushion between frame.
It is used as further scheme of the invention：Small door leaf is set up in the door leaf bottom, and small door leaf is arranged in small door leaf
Inframe, door leaf bottom is provided with the small door leaf outer frame corresponding with small door leaf inside casing, the corner of small door leaf inside casing and small door leaf
It is connected at the corner of housing by second jiao of support member.
It is used as further scheme of the invention：Padded coaming is filled between the small door leaf inside casing and small door leaf outer frame
Form cushion between small doorframe.
It is used as further scheme of the invention：Latch is provided between the small door leaf and door leaf.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, in the case where occurring fire, earthquake or the effect of other external force, even if wall has been deformed, suspension type fire prevention is anti-
Shake door also can largely ensure the smooth unlatching of door leaf, even if in the case where door leaf also deformation occurs, can also be
Largely ensure the smooth unlatching of small door leaf, be conducive to people smoothly to escape.
2nd, the suspension type fire-proof shock-proof door substantially increases security performance, in the case of earthquake or house natural deformation still
It can so use, with wide market prospects.
Brief description of the drawings
Fig. 1 is the structural representation of the centre mounted type fire-proof shock-proof door of embodiment 1.
Fig. 2 is the structural representation of suspension type fire-proof shock-proof door middle and upper part steel structure support part.
Fig. 3 is the structural representation of suspension type fire-proof shock-proof door middle and lower part steel structure support part.
Fig. 4 is the structural representation of angle support member in suspension type fire-proof shock-proof door.
Fig. 5 is the scheme of installation one of suspension type fire-proof shock-proof door.
Fig. 6 is the scheme of installation two of suspension type fire-proof shock-proof door.
Fig. 7 is the scheme of installation three of suspension type fire-proof shock-proof door.
Fig. 8 is the structural representation of the centre mounted type fire-proof shock-proof door of embodiment 2.
In figure：1- lintels, 2- walls, 3- ground, 4- steel superstructures support member, 5- angles support member, 51- compression cylinders, 52-
Spring, 53- constrictors, 54- spherical hinges, 55- connecting rods, 6- door leafs, 7- latches, the small door leafs of 8-, 9- second jiao of support member, 10-
Interior doorframe, 11- exterior door frames, 12- support bars, 13- bottoms steel structure support part, the upper cushions of 14-, 15- bottom breakers, 16-
Cushion between frame.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
Refer to Fig. 1-7, a kind of suspension type fire-proof shock-proof door, including steel superstructure support member 4, angle support member 5, inside door
Frame 10, exterior door frame 11 and bottom steel structure support part 13；The steel superstructure support member 4 is arranged on wall 2, and upper steel
Structural support 4 is located at the lower section of lintel 1, leaves in space, and the space and fills out between steel superstructure support member 4 and lintel 1
Upper cushion 14 is formed filled with padded coaming, in the case where occurring fire, earthquake or the effect of other external force, upper cushion 14 is carried out tentatively
Buffering；The bottom steel structure support part 13 is fixed on ground 3, and bottom steel structure support part 13 is supported with steel superstructure
The in the vertical direction position of part 4 is corresponding, and padded coaming is filled with the space between bottom steel structure support part 13 and ground 3
Bottom breaker 15 is formed, in the case where occurring fire, earthquake or the effect of other external force, bottom breaker 15 is tentatively buffered；It is described outer
The upper end of doorframe 11 is fixedly attached to steel superstructure support member 4, and lower end is fixedly attached to bottom steel structure support part 13, and external door
Frame 11 is arranged in wall 2, so that exterior door frame 11 is connected as with steel superstructure support member 4 and bottom steel structure support part 13
One entirety, is sling exterior door frame 11 is built on stilts by steel superstructure support member 4, makes the lower end of exterior door frame 11 not directly contact
Face 3, but be connected with bottom steel structure support part 13, therefore, in the case where occurring fire, earthquake or the effect of other external force, even if wall
Deformation takes place in body 2, and the suspension type fire-proof shock-proof door is also to first pass around bottom breaker 15 to buffer, and in bottom steel construction branch
Corresponding deformation occurs at support member 13, it is ensured that exterior door frame 11 is indeformable, existing fire resistant doorsets, when wall 2 is slightly deformed upon,
Fire resistant doorsets may be caused not open, suspension type fire-proof shock-proof door of the present invention can lead to first when wall 2 is slightly deformed upon
Cross bottom breaker 15 to buffer, and occur corresponding deformation at bottom steel structure support part 13, so that in the slightly deformation of wall 2
In the case of ensure that exterior door frame 11 will not be deformed, it is ensured that suspension type fire-proof shock-proof door can be opened smoothly；
The interior doorframe 10 is arranged in exterior door frame 11, with passing through angle at the corner of exterior door frame 11 at the corner of interior doorframe 10
Support member 5 is connected, and the angle support member 5 includes compression cylinder 51, constrictor 53 and connecting rod 55, and compression cylinder 51 is slidably located in pressure
Outside contracting bar 53, spring 52 is provided between the bottom of constrictor 53 and the bottom of compression cylinder 51, constrictor 53 and pressure are made by spring 52
There is certain telescopic resilience, the front end of constrictor 53 is connected to connecting rod 55, spherical hinge 54 by spherical hinge 54 between contracting cylinder 51
Make to rotate between constrictor 53 and connecting rod 55, angle support member 5 makes can be certain between interior doorframe 10 and exterior door frame 11
In the range of move, can rotate within the specific limits again, so as in the case where a certain degree of deformation occurs in exterior door frame 11, also can
Doorframe 10 is indeformable in ensureing, is additionally provided with multiple support bars 12 between the interior doorframe 10 and exterior door frame 11, interior doorframe 10 with
Cushion 16 between padded coaming formation doorframe is also filled between exterior door frame 11；Door leaf 6 is provided with the interior doorframe 10.
The present invention operation principle be：The suspension type fire-proof shock-proof door, is occurring fire, earthquake or the effect of other external force
Under, even if wall 2 is slightly deformed upon, it can be buffered first by bottom breaker 15, and at bottom steel structure support part 13
The corresponding deformation of generation, so as to ensure that exterior door frame 11 will not be deformed in the case of the slightly deformation of wall 2, it is ensured that suspension type is prevented fires
Shockproof door can be opened smoothly.When the deformation degree of wall 2 is larger, when causing the exterior door frame 11 to occur slightly deforming, delay between doorframe
Rush layer 16 and carry out a certain degree of buffering, and make can be within the specific limits between interior doorframe 10 and exterior door frame 11 for angle support member 5
It is mobile, it can rotate within the specific limits again, so as in the case where a certain degree of deformation occurs in exterior door frame 11, also can guarantee that interior
Doorframe 10 is indeformable, it is ensured that door leaf 6 it is normally-open.
Embodiment 2
Referring to Fig. 8, small door leaf 8 is set up in the bottom of door leaf 6, small door leaf 8 is arranged in small door leaf inside casing, under door leaf 6
Portion is provided with the small door leaf outer frame corresponding with small door leaf inside casing, the corner of small door leaf inside casing and at the corner of small door leaf outer frame
It is connected by second jiao of support member 9, so that ensure to move within the specific limits between small door leaf inside casing and small door leaf outer frame,
It can within the specific limits rotate again, be formed and buffered between small doorframe filled with padded coaming between small door leaf inside casing and small door leaf outer frame
Layer, when there is largely deformation, causes interior doorframe 10 and the door leaf 6 a certain degree of deformation occur in exterior door frame, small doorframe
Between cushion carry out a certain degree of buffering, and make between small door leaf inside casing and small door leaf outer frame can be for second jiao of support member 9
Move, can rotate within the specific limits again in certain limit, so as to the situation of a certain degree of deformation occur in small door leaf outer frame
Under, it also can guarantee that small door leaf inside casing is indeformable, protect the normally-open of small door leaf 8；It is provided between the small door leaf 8 and door leaf 6
Latch 7, in normal state, is closed small door leaf 8 by latch 7, under special circumstances, when door leaf 6 can not be opened smoothly,
Latch 7 is removed, small door leaf 8 is opened, is escaped for people.
In the case where occurring fire, earthquake or the effect of other external force, even if wall 2 has been deformed, suspension type fire prevention is anti-
Shake door also can largely ensure the smooth unlatching of door leaf 6, even if in the case where deformation also occurs in door leaf 6, can also
Largely ensure the smooth unlatching of small door leaf 8, be conducive to people smoothly to escape.The suspension type fire-proof shock-proof door is significantly
Security performance is improved, still can be used in the case of earthquake or house natural deformation, with wide market prospects.
The better embodiment to the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
, can also be on the premise of present inventive concept not be departed from formula, the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (8)
1. a kind of suspension type fire-proof shock-proof door, it is characterised in that including steel superstructure support member（4）, angle support member（5）, it is interior
Doorframe（10）, exterior door frame（11）With bottom steel structure support part（13）；The steel superstructure support member（4）It is arranged on wall
（2）On, and steel superstructure support member（4）Positioned at lintel（1）Lower section；The bottom steel structure support part（13）It is fixed on ground
Face（3）On, and bottom steel structure support part（13）With steel superstructure support member（4）In the vertical direction position is corresponding；Institute
State exterior door frame（11）Upper end is fixedly attached to steel superstructure support member（4）, lower end is fixedly attached to bottom steel structure support part
（13）, and exterior door frame（11）Installed in wall（2）It is interior；The interior doorframe（10）It is arranged on exterior door frame（11）It is interior, interior doorframe（10）
Corner at and exterior door frame（11）Corner at pass through angle support member（5）It is connected, the angle support member（5）Including compression cylinder
（51）, constrictor（53）And connecting rod（55）, compression cylinder（51）Be slidably located in constrictor（53）Outside, constrictor（53）Bottom with
Compression cylinder（51）Spring is provided between bottom（52）, constrictor（53）Front end passes through spherical hinge（54）It is connected to connecting rod
（55）；The interior doorframe（10）Inside it is provided with door leaf（6）.
2. suspension type fire-proof shock-proof door according to claim 1, it is characterised in that the steel superstructure support member（4）
With lintel（1）Between leave in space, and the space and to form cushion filled with padded coaming（14）.
3. suspension type fire-proof shock-proof door according to claim 2, it is characterised in that the bottom steel structure support part（13）
With ground（3）Between space in filled with padded coaming formation bottom breaker（15）.
4. the suspension type fire-proof shock-proof door according to claim 1 or 2 or 3, it is characterised in that the interior doorframe（10）With it is outer
Doorframe（11）Between be additionally provided with multiple support bars（12）.
5. suspension type fire-proof shock-proof door according to claim 4, it is characterised in that the interior doorframe（10）With exterior door frame
（11）Between be also filled with padded coaming formation doorframe between cushion（16）.
6. suspension type fire-proof shock-proof door according to claim 5, it is characterised in that the door leaf（6）Wicket is set up in bottom
Fan（8）, small door leaf（8）In small door leaf inside casing, door leaf（6）Bottom is provided with the small door leaf corresponding with small door leaf inside casing
With passing through second jiao of support member at the corner of small door leaf outer frame at housing, the corner of small door leaf inside casing（9）It is connected.
7. suspension type fire-proof shock-proof door according to claim 6, it is characterised in that outside the small door leaf inside casing and small door leaf
Between frame cushion between small doorframe is formed filled with padded coaming.
8. suspension type fire-proof shock-proof door according to claim 7, it is characterised in that the small door leaf（8）With door leaf（6）It
Between be provided with latch（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408336.0A CN105927120B (en) | 2016-06-03 | 2016-06-03 | A kind of suspension type fire-proof shock-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610408336.0A CN105927120B (en) | 2016-06-03 | 2016-06-03 | A kind of suspension type fire-proof shock-proof door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105927120A CN105927120A (en) | 2016-09-07 |
| CN105927120B true CN105927120B (en) | 2017-08-25 |
Family
ID=56833561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610408336.0A Active CN105927120B (en) | 2016-06-03 | 2016-06-03 | A kind of suspension type fire-proof shock-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927120B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288507A (en) * | 2017-06-19 | 2017-10-24 | 天津龙甲特种门窗有限公司 | One kind is every cigarette escape fire-proof door |
| JP6876538B2 (en) * | 2017-06-20 | 2021-05-26 | 株式会社竹中工務店 | Joinery frame mounting structure |
| CN108104709A (en) * | 2018-01-12 | 2018-06-01 | 林群祥 | Buffer anti-fall door |
| CN113323534B (en) * | 2021-06-10 | 2023-05-12 | 上海红重装备股份有限公司 | Steel supporting structure for shock protection |
| CN115045594B (en) * | 2022-04-29 | 2024-03-29 | 河南鼎力人防设备有限公司 | Deformable anti-extrusion self-induction pushing shockproof protective door |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612132A1 (en) * | 1986-04-10 | 1987-10-15 | Bsg Brand Sanierung Gmbh | Partition |
| CN2331749Y (en) * | 1998-04-03 | 1999-08-04 | 丁德义 | Shockproof doorframe |
| CN205100827U (en) * | 2015-08-21 | 2016-03-23 | 南通金亿达门业有限公司 | Prevent fire door and that uses prevents fire door board thereof |
| CN205663380U (en) * | 2016-06-03 | 2016-10-26 | 皖西学院 | Shockproof door of suspension type fire prevention |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3283794B2 (en) * | 1997-07-08 | 2002-05-20 | 株式会社日本設計 | Structure for absorbing interlayer displacement and local displacement of metal fittings |
-
2016
- 2016-06-03 CN CN201610408336.0A patent/CN105927120B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3612132A1 (en) * | 1986-04-10 | 1987-10-15 | Bsg Brand Sanierung Gmbh | Partition |
| CN2331749Y (en) * | 1998-04-03 | 1999-08-04 | 丁德义 | Shockproof doorframe |
| CN205100827U (en) * | 2015-08-21 | 2016-03-23 | 南通金亿达门业有限公司 | Prevent fire door and that uses prevents fire door board thereof |
| CN205663380U (en) * | 2016-06-03 | 2016-10-26 | 皖西学院 | Shockproof door of suspension type fire prevention |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105927120A (en) | 2016-09-07 |
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Inventor after: Cheng Rui Inventor after: Xu Yuwei Inventor after: Wang Tongpei Inventor after: Ruan Jinwei Inventor after: Pei Wanfei Inventor after: Tu Jinsong Inventor before: Cheng Rui Inventor before: Xu Hongyan Inventor before: Xu Xuefeng Inventor before: Li Tonghai Inventor before: Chen Fei Inventor before: Tu Jinsong |
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Effective date of registration: 20201223 Address after: 232202 100m to the east of Gedian village, anfengtang Town, Shouxian County, Huainan City, Anhui Province Patentee after: Anhui Keyi Industrial Design Service Co.,Ltd. Address before: 237012 Headquarters of Hexi West Anhui College, Yuan District, Luan City, Anhui Province Patentee before: WEST ANHUI University |
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