CN105927125A - Single wooden heat insulation fireproof door - Google Patents

Single wooden heat insulation fireproof door Download PDF

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Publication number
CN105927125A
CN105927125A CN201610517880.9A CN201610517880A CN105927125A CN 105927125 A CN105927125 A CN 105927125A CN 201610517880 A CN201610517880 A CN 201610517880A CN 105927125 A CN105927125 A CN 105927125A
Authority
CN
China
Prior art keywords
door leaf
door
fireproof
fire
doorframe
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
Application number
CN201610517880.9A
Other languages
Chinese (zh)
Inventor
张兰祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Anwang Door Industry Co Ltd
Original Assignee
Anhui Anwang Door Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Anwang Door Industry Co Ltd filed Critical Anhui Anwang Door Industry Co Ltd
Priority to CN201610517880.9A priority Critical patent/CN105927125A/en
Publication of CN105927125A publication Critical patent/CN105927125A/en
Pending legal-status Critical Current

Links

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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/06—Wooden frames
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/34—Coverings, e.g. protecting against weather, for decorative 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/52—Frames specially adapted for doors
    • E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
    • 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
    • E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
    • 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
    • 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
    • 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
    • E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted 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
    • E06B2003/7042—Door leaves characterised by the filling between two external panels with a fire retardant layer
    • 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
    • E06B2003/7049—Specific panel characteristics
    • E06B2003/7051—Specific panel characteristics of layered construction involving different materials
    • 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
    • E06B2003/7059—Specific frame characteristics
    • E06B2003/7061—Wooden frames
    • E06B2003/7073—Wooden frames with fire retardant measures in frame

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Special Wing (AREA)

Abstract

The invention provides a single wooden heat insulation fireproof door. A peripheral skeleton of a door leaf is divided into multiple areas by an inner skeleton of the door leaf; the multiple areas are filled with expanded perlite fireproof plates to form a door core; a first magnesium-silicon fireproof plate is fixedly arranged on the surface of the door core; first flame-retardant plywood is fixedly arranged on the surface of the first magnesium-silicon fireproof plate; a doorframe comprises a frame formed by four pieces of flame-retardant wood; a second magnesium-silicon fireproof plate and second flame-retardant plywood are fixedly arranged on the surface, exposed to fire, of the frame, and are combined with the frame to form a door stop line; fireproof expansion sealing elements are arranged on the contact surface of the doorframe and the door leaf, and are fixedly embedded into the doorframe. The expanded perlite fireproof plates are arranged in the door leaf, so that fireproof effects are improved; the magnesium-silicon fireproof plates are arranged, so that the fireproof effects are further improved, and meanwhile, the strength and the impact resistance of the door leaf are improved; the fireproof expansion sealing elements are reasonably arranged on the doorframe, so that sealing and fireproof effects are improved.

Description

One singly opens wooden heat-insulating fireproof door
Technical field
The present invention relates to fire resistant doorsets technical field, one singly opens wooden heat-insulating fireproof door specifically.
Background technology
Infrastructure construction (such as subway, changing expansion airport and stadium), architectural fire prevention used is carried out on a large scale with country Door demand is increasing, and performance requirement is more and more higher, and fireproof alert level requires more and more higher.
At present, densely populated place, at home, its heat conductivity of fire resistant doorsets of using of club higher, during breaking out of fire, hold Easily cause door leaf temperature too high, thus cause door leaf to be easily deformed, do not reach the requirement of fire protecting performance；Additionally conventional fire door Intensity is poor, and its impact resistance also has much room for improvement.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of intensity is high, fire protecting performance is good, be prevented effectively from the band of door leaf deformation Window is double opens wooden heat-insulating fireproof door and preparation method thereof.
The present invention is to be achieved through the following technical solutions above-mentioned technical purpose:
One singly opens wooden heat-insulating fireproof door, including doorframe and door leaf；Described door leaf includes door leaf surrounding skeleton, door leaf internal skeleton Frame；Described door leaf surrounding skeleton is separated into multiple region by described door leaf inner frame；Fill in the plurality of region and expand treasure Pearl rock PLASTIC LAMINATED, forms door core；The first magnesium silicon PLASTIC LAMINATED it is fixed with on the surface of described door core；In described first magnesium silicon fire prevention The surface of plate is fixed with the first flame-retardant plywood；
Described doorframe includes the framework being made up of the fire retarding wood that 4 sectional dimensions are 85mm × 35mm；Described framework is by fire Face is fixed with the second thick for 12mm magnesium silicon PLASTIC LAMINATED and the second flame-retardant plywood of 2.5mm thickness, to form door with described framework Gear line；The side fixing with described doorframe of described door leaf is in door shield line；On the contact surface of described doorframe and described door leaf It is provided with fireproof expansion seal part；Described fireproof expansion seal part is embedded to be fixed in described doorframe.
Preferably, described door leaf is additionally provided with door closer.
Preferably, described door leaf height 2245mm, thickness be 50mm, wide 910mm.
Preferably, the packed density of described expanded perlite PLASTIC LAMINATED is 400kg/m3± 10%；Described first magnesium silicon PLASTIC LAMINATED Thickness is 5mm；The thickness of described first flame-retardant plywood is 2.5mm.
Preferably, described door leaf surrounding skeleton, door leaf inner frame are made by fire retarding wood；Described door leaf surrounding skeleton is by cutting The rectangular frame of the fire-retardant rod composition of face a size of 55mm × 35mm；Described door leaf inner frame is that three sectional dimensions are The fire-retardant cross bar of long 35mm × 25mm；Described door leaf surrounding skeleton is divided into four regions by described three fire-retardant cross bars.
The present invention compared with prior art, has the advantages that
1., by arranging expanded perlite PLASTIC LAMINATED in the inside of door leaf, improve flameproof effect, it is further that magnesium silicon PLASTIC LAMINATED is set While improving flameproof effect, improve intensity and the impact resistance ability of door leaf.Due to the surrounding at expanded perlite PLASTIC LAMINATED Employ a circle fire retarding wood, the usage amount of expanded perlite PLASTIC LAMINATED can be reduced, i.e. alleviate the deadweight of door leaf, make door Fan has lighter deadweight while reaching effective heat-insulating, fire-preventing；The present invention passes through the size of appropriate design door leaf and doorframe, Making door leaf and doorframe structure simple, slim and graceful, daily opening and closing is laborsaving；When there is the condition of a fire, the door leaf of present invention raising and doorframe Thickness and intensity, can fire-resistance burn 1.5 hours indeformable, heat-insulating, fire-preventing function reaches first class standard；
2. doorframe uses fire retarding wood to make, and secures magnesium silicon PLASTIC LAMINATED and the fire retardant glue of 2.5mm of 5mm in fire surface Plywood so that the fire-proof and thermal-insulation ability of doorframe improves；
3. fireproof expansion seal part, Embedded is fixed in structure, can effectively provide sealing effectiveness, and fire insulation is good every cigarette effect；
4. the present invention provide fire-proof wooden door, simple in construction, from heavy and light, i.e. ensure attractive in appearance while, again reached fire prevention Requirement.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram singly opening wooden heat-insulating fireproof door of the present invention；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is the cross-sectional view of B-B in Fig. 1；
Fig. 4 is the cross-sectional view of C-C in Fig. 1；
Fig. 5 is the cross-sectional view of D-D in Fig. 1；
Fig. 6 is that the present invention is a kind of singly opens door leaf surrounding framework and the structural representation of door leaf inner frame in wooden heat-insulating fireproof door.
Detailed description of the invention
By making the architectural feature to the present invention and effect of being reached have a better understanding and awareness, in order to preferably to implement Example and accompanying drawing coordinate detailed description, are described as follows:
As shown in Figure 1 and Figure 2, one singly opens wooden heat-insulating fireproof door, including doorframe 1 and door leaf 2；Door leaf 2 is by fire prevention Hinge 3 symmetry is fixed on the frame of doorframe 1.Door leaf 2 includes door leaf surrounding skeleton 21, door leaf inner frame 22；Door leaf four All skeletons 21 are separated into multiple region by door leaf inner frame 22.In multiple regions, fill expanded perlite PLASTIC LAMINATED 23 formed Men Xin, is fixed with the first magnesium silicon PLASTIC LAMINATED 24 on the surface of door core, is fixed with fire retardant glue on the surface of the first magnesium silicon PLASTIC LAMINATED 24 Plywood 25.
Doorframe 1 has door shield line, being in door shield line with the fixing side of doorframe 1 of door leaf 2.Doorframe 1 and door leaf 2 it Between be provided with fireproof expansion seal part 29 on contact surface.The fireproof expansion seal part 29 of present invention offer is embedded is fixed on doorframe In 1, the fireproof expansion seal part 29 that the present invention provides may insure that when door leaf 2 cuts out, door leaf 2 and fireproof expansion seal part The contact area of 29 is big, and fire-proof smoke-proof is effective.
Doorframe 1 includes the framework being made up of the fire retarding wood that 4 sectional dimensions are 85mm × 35mm, and framework is fixed in fire surface Be fixed with the second flame-retardant plywood 12 that the second thick for 12mm magnesium silicon PLASTIC LAMINATED 11 and 2.5mm is thick, with described framework shape Become door shield line to provide the fire resistance of doorframe simultaneously.
The present invention there is also mounted door closer 8 on door leaf.Door closer 8 has resistant to elevated temperatures performance.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 6, the door leaf that the present invention provides has skeleton, i.e. door leaf surrounding skeleton 21, door Fan inner frame 22, both is made up of fire retarding wood, and the fire retarding wood that door leaf and doorframe are used is generally through flame treatment After Masson Pine.The rectangular frame that door leaf surrounding skeleton 21 is made up of the fire-retardant rod that sectional dimension is 55mm × 35mm；Door Fan inner frame 22 is the fire-retardant cross bar that three sectional dimensions are long 35mm × 25mm；Three fire-retardant cross bars are by door leaf surrounding bone Frame 21 is divided into four regions.
The fire prevention hinge 3 that the present invention provides is 3.Wherein the upper end of first hinge distance away from door leaf 2 top is 250mm； The upper end of second hinge low side distance away from the first hinge is 400mm；The low side of the 3rd hinge distance bottom door leaf 2 For 250mm.Three fire prevention hinges 3 are with this distance arrangement, and after being heated for a long time, first, second hinge is able to ensure that door Fan 2 does not sinks, in order to avoid crack between a door and its frame leakage cigarette leakage fire.
The high 2245mm of door leaf 2, thickness that the present invention provides are 50mm, wide 910mm.Wherein expanded perlite PLASTIC LAMINATED 23 Packed density is 400kg/m3± 10%；The thickness of the first magnesium silicon PLASTIC LAMINATED 24 is 5mm；The thickness of the first flame-retardant plywood 25 For 2.5mm.Doorframe 1 outer ring height 2290mm, outer ring width that the present invention provides are 980mm.Door leaf 2 He being so designed that Doorframe 1, through repeatedly testing, burn 1.5 hours indeformable, heat-insulating, fire-preventing function reaches first class standard.
As it is shown in figure 5, the lock 6 that the present invention provides is Fire-proof lock, further increase the fire prevention of the fire resistant doorsets that the present invention provides Function.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technical staff of the industry It should be appreciated that the present invention is not restricted to the described embodiments, the simply present invention's described in above-described embodiment and description is former Reason, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these changes and improvements Both fall within the range of claimed invention.The protection domain of application claims is by appending claims and equivalent thereof Thing defines.

Claims (5)

1. singly open a wooden heat-insulating fireproof door, including doorframe and door leaf；It is characterized in that: described door leaf includes door leaf surrounding bone Frame, door leaf inner frame；Described door leaf surrounding skeleton is separated into multiple region by described door leaf inner frame；In the plurality of region Fill expanded perlite PLASTIC LAMINATED, form door core；The first magnesium silicon PLASTIC LAMINATED it is fixed with on the surface of described door core；Described first The surface of magnesium silicon PLASTIC LAMINATED is fixed with the first flame-retardant plywood；
Described doorframe includes the framework being made up of the fire retarding wood that 4 sectional dimensions are 85mm × 35mm；Described framework is in fire surface It is fixed with the second thick for 12mm magnesium silicon PLASTIC LAMINATED and the second flame-retardant plywood of 2.5mm thickness, to form door shield line with described framework； The side fixing with described doorframe of described door leaf is in door shield line；It is provided with anti-on described doorframe and the contact surface of described door leaf Fire expansion sealing element；Described fireproof expansion seal part is embedded to be fixed in described doorframe.
One the most according to claim 1 singly opens wooden heat-insulating fireproof door, it is characterised in that: it is additionally provided with on described door leaf Door closer.
One the most according to claim 1 singly opens wooden heat-insulating fireproof door, it is characterised in that: described door leaf height 2245mm, Thickness is 50mm, wide 910mm.
One the most according to claim 1 singly opens wooden heat-insulating fireproof door, it is characterised in that: described expanded perlite is prevented fires The packed density of plate is 400kg/m3± 10%；The thickness of described first magnesium silicon PLASTIC LAMINATED is 5mm；Described first flame-retardant plywood Thickness is 2.5mm.
One the most according to claim 1 singly opens wooden heat-insulating fireproof door, it is characterised in that: described door leaf surrounding skeleton, Door leaf inner frame is made by fire retarding wood；Described door leaf surrounding skeleton is made up of the fire-retardant rod that sectional dimension is 55mm × 35mm Rectangular frame；Described door leaf inner frame is the fire-retardant cross bar that three sectional dimensions are long 35mm × 25mm；Described three resistances Described door leaf surrounding skeleton is divided into four regions by combustion cross bar.
CN201610517880.9A 2016-06-30 2016-06-30 Single wooden heat insulation fireproof door Pending CN105927125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610517880.9A CN105927125A (en) 2016-06-30 2016-06-30 Single wooden heat insulation fireproof door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610517880.9A CN105927125A (en) 2016-06-30 2016-06-30 Single wooden heat insulation fireproof door

Publications (1)

Publication Number Publication Date
CN105927125A true CN105927125A (en) 2016-09-07

Family

ID=56829848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610517880.9A Pending CN105927125A (en) 2016-06-30 2016-06-30 Single wooden heat insulation fireproof door

Country Status (1)

Country Link
CN (1) CN105927125A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2281408Y (en) * 1996-05-21 1998-05-13 林英辉 Fireproof and waterproof door panel
DE19838735C1 (en) * 1998-08-26 1999-12-09 Theo Schroeders Panel forming part of smoke protection door
CN201723110U (en) * 2010-05-17 2011-01-26 余河新 Wood heat-insulation fire door
CN204402288U (en) * 2014-12-23 2015-06-17 浙江亚厦产业园发展有限公司 Sound-and-fire proof single open-door
CN105089461A (en) * 2015-09-18 2015-11-25 安徽安旺门业有限公司 Thermal insulation fireproof steel-wood door

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2281408Y (en) * 1996-05-21 1998-05-13 林英辉 Fireproof and waterproof door panel
DE19838735C1 (en) * 1998-08-26 1999-12-09 Theo Schroeders Panel forming part of smoke protection door
CN201723110U (en) * 2010-05-17 2011-01-26 余河新 Wood heat-insulation fire door
CN204402288U (en) * 2014-12-23 2015-06-17 浙江亚厦产业园发展有限公司 Sound-and-fire proof single open-door
CN105089461A (en) * 2015-09-18 2015-11-25 安徽安旺门业有限公司 Thermal insulation fireproof steel-wood door

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Application publication date: 20160907