CN106945349A - A kind of composite board - Google Patents
A kind of composite board Download PDFInfo
- Publication number
- CN106945349A CN106945349A CN201710194064.3A CN201710194064A CN106945349A CN 106945349 A CN106945349 A CN 106945349A CN 201710194064 A CN201710194064 A CN 201710194064A CN 106945349 A CN106945349 A CN 106945349A
- Authority
- CN
- China
- Prior art keywords
- panel
- joint portion
- composite board
- support member
- raised
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011120 plywood Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2479/00—Furniture
Abstract
The invention discloses a kind of composite board, including the first panel and second panel being oppositely arranged, it is in hollow form between first panel and second panel, and support member is provided between first panel and second panel, the top of support member is the first joint portion, the bottom of support member is the second joint portion, and first panel is provided with the 3rd joint portion that embedded cooperation is formed with the first joint portion, and second panel is provided with the 4th joint portion that embedded cooperation is formed with the second joint portion.By above-mentioned structure setting, realize and be combined by way of joint portion insertion coordinates between panel.1st, low, highly versatile, environmental protection, and good decorating effect are required to material.2nd, with more preferable vibration performance and energy transmission performance, the sound chamber that the cavity of composite board can be transmitted as sound, the plate for the piano that is particularly suitable for use in.3rd, the cavity of composite board may be constructed sound insulation chamber, make the sound of first panel side be difficult to be transferred to second panel side, the door-plate that is particularly suitable for use in, sound panel etc..
Description
Technical field
The present invention relates to composite board, more particularly to a kind of composite board.
Background technology
With the development of timber technology of preparing, the application of sheet material is also more and more extensive.For example, floor, door-plate, the sound of piano
Plate etc. is required to apply sheet material.At present, the sheet material of in the market typically has two kinds, and one kind is solid wood board；Due to solid wood board pair
The requirement of material is higher so that the selection of solid wood board is more difficult；Also, solid wood board is after moisture absorption or drying out, hold
Yielding or cracking.Another is composite board；Composite board forms sheet unit lamination adhesive generally by bonded adhesives.
Such structure causes the vibration performance and energy transmission poor-performing of composite board；When composite board is applied to piano soundboard
When so that the pronunciation of piano string is not permanent, and the sound equipment and acoustical quality produced by piano are undesirable.Also, such structure
Also so that the material of sheet unit needs unanimously, (performance such as coefficient of expansion in order to ensure each sheet unit is consistent, otherwise, bonding
The easy delamination splitting of composite board)；Further, due to the use of bonded adhesives, cause composite board not environmentally, be combined
The smell of bonded adhesives is heavier in sheet material, and smell is difficult to dissipate；When composite board is applied to floor, door-plate, easily to interior
Air ambient impact, when serious, or even can also induce various diseases.
The content of the invention
It is an object of the invention to provide a kind of composite board, the plywood sheet structure is simple, highly versatile, environmental protection, and make
It is good with effect, it disclosure satisfy that the use demand of user.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of composite board, including the first panel and second panel being oppositely arranged, the first panel and described the
It is in that support member is provided between hollow form, and the first panel and the second panel between two panels, the support member
Top is the first joint portion, and the bottom of the support member is the second joint portion, and the first panel is provided with and first knot
Conjunction portion forms the 3rd joint portion of embedded cooperation, and the second panel is provided with forms embedded cooperation with second joint portion
4th joint portion.
First joint portion and second joint portion are tenon portion, correspondingly, the 3rd joint portion and described
4th joint portion is groove portion, to realize that first joint portion coordinates and second knot with the embedded of the 3rd joint portion
The embedded cooperation in conjunction portion and the 4th joint portion.
The tenon portion is dovetail, and the groove portion is dovetail groove.
The dovetail groove runs through the first panel or the second panel along its axial direction.
It is resisted against the first panel at the top of the support block that extends sideways out of the support member, the support block, it is described
The bottom of support block is resisted against the second panel.
The edge of the composite board offers inserting groove and/or inserting is raised.
The inserting groove includes being arranged on the first " L " type groove of the first panel edge and is arranged on described second
Second " L " type groove at face plate edge, and first " L " type groove is oppositely arranged with described second " L " type groove.
The inserting projection be included in that the first panel edge stretches out it is first raised, in the second panel
The second the 3rd projection that is raised and stretching out in the support member end that edge stretches out, the 3rd projection is set
Put raised between second projection described first.
The quantity of the support member is four, and four support members are disposed side by side on the first panel and second face
Between plate.
The material of the material of the first panel and the second panel is differed.
The beneficial effects of the present invention are：By setting support member, and the first face between first panel and second panel
It is in hollow form between plate and second panel, makes to form cavity between first panel and second panel；Also, pass through the first joint portion
Embedded with the 3rd joint portion coordinates and the second joint portion coordinates with the embedded of the 4th joint portion, realize supports support in
Between first panel and second panel, that is, realize being relatively fixed for first panel and second panel, simple in construction, installation side
Just.
1st, fixation is realized by way of joint portion insertion coordinates, even if the material of first panel and second panel is differed
(i.e. the performance such as first panel and the second panel coefficient of expansion is differed), still can be real by way of joint portion insertion coordinates
In conjunction with fixation, make the structure of composite board more firm, the material to timber requires low, and versatility is stronger.Also, the present invention
Composite board eliminate bonded adhesives, make composite board more environmentally friendly, it is ensured that composite board will not be made to indoor air ambient
Into influence, and then eliminate potential safety hazard.Further, in said structure, first panel and second panel can be used
The two sides of the timber of unlike material, color, i.e. composite board has different decorative effects, the production of the furniture such as the door-plate that is particularly suitable for use in
Among product.
2nd, the composite board of said structure has more preferable vibration performance and energy transmission performance, also, composite board is worked as
In the sound chamber that can be transmitted as sound of cavity；When composite board is vibrated, it is ensured that sound can effectively, constantly enter
Row transmission, the plate for the piano that is particularly suitable for use in.Specifically, when the composite board of the present invention is applied to the plate of piano, steel is made
Qin string can pronounce for a long time, and sound equipment and acoustical quality produced by lifting piano.
3rd, among the composite board of said structure, due to having cavity, the cavity between first panel and second panel
Sound insulation chamber is may be constructed, makes the sound of first panel side be difficult to be transferred to second panel side, plays good soundproof effect, especially
Among the furniture items such as door-plate, sound panel.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 fractionation schematic diagram；
Fig. 3 is Fig. 1 A-A sectional views；
Fig. 4 is the splicing schematic diagram of two composite boards；
Fig. 5 is Fig. 4 fractionation schematic diagram；
Fig. 6 is Fig. 4 B-B sectional views.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
Reference picture 1, Fig. 2 and Fig. 3, a kind of composite board, including the first panel 1 and second panel 2 being oppositely arranged, institute
State between first panel 1 and the second panel 2 is in be set between hollow form, and the first panel 1 and the second panel 2
There is support member 3, the top of the support member 3 is the first joint portion 31, and the bottom of the support member 3 is the second joint portion 32, institute
State first panel 1 and be provided with the 3rd joint portion 11 that embedded cooperation is formed with first joint portion 31, the second panel 2 is set
It is equipped with and forms embedded the 4th joint portion 21 coordinated with second joint portion 32.
By setting support member between first panel and second panel, and in hollow between first panel and second panel
Shape, makes to form cavity between first panel and second panel；Also, coordinated by the first joint portion and the embedded of the 3rd joint portion
And second joint portion and the 4th joint portion embedded cooperation, realize supports support in first panel and second panel it
Between, that is, being relatively fixed for first panel and second panel is realized, it is simple in construction, it is easy for installation.
1st, fixation is realized by way of joint portion insertion coordinates, even if the material of first panel and second panel is differed
(i.e. the performance such as first panel and the second panel coefficient of expansion is differed), still can be real by way of joint portion insertion coordinates
In conjunction with fixation, make the structure of composite board more firm, the material to timber requires low, and versatility is stronger.Also, the present invention
Composite board eliminate bonded adhesives, make composite board more environmentally friendly, it is ensured that composite board will not be made to indoor air ambient
Into influence, and then eliminate potential safety hazard.Further, in said structure, first panel and second panel can be used
The two sides of the timber of unlike material, color, i.e. composite board has different decorative effects, the production of the furniture such as the door-plate that is particularly suitable for use in
Among product.
2nd, the composite board of said structure has more preferable vibration performance and energy transmission performance, also, composite board is worked as
In the sound chamber that can be transmitted as sound of cavity；When composite board is vibrated, it is ensured that sound can effectively, constantly enter
Row transmission, the plate for the piano that is particularly suitable for use in.Specifically, when the composite board of the present invention is applied to the plate of piano, steel is made
Qin string can pronounce for a long time, and sound equipment and acoustical quality produced by lifting piano.
3rd, among the composite board of said structure, due to having cavity, the cavity between first panel and second panel
Sound insulation chamber is may be constructed, makes the sound of first panel side be difficult to be transferred to second panel side, plays good soundproof effect, especially
Among the furniture items such as door-plate, sound panel.
As the preferred embodiments of the present invention, first joint portion 31 and second joint portion 32 are tenon portion, phase
Ying Di, the 3rd joint portion 11 and the 4th joint portion 21 be groove portion, with realize first joint portion 31 with it is described
The embedded cooperation of 3rd joint portion 11 and the embedded cooperation of second joint portion 32 and the 4th joint portion 21.Specifically
Ground, the tenon portion is dovetail, and the groove portion is dovetail groove.By way of dovetail and dovetail groove insertion coordinate so that the
The structural stability that one panel is combined with second panel is stronger；Even if first panel is different from the sheet material coefficient of expansion of second panel
When, when different degrees of dilatancy occurs for first panel and second panel, because dovetail and dovetail groove are embedded in depositing for cooperation
Certain connection corrective action can played, it is ensured that the position of first panel and second panel will not deviate, i.e., multiple
Situations such as layer cracking will not occur for plywood material, effectively improves the reliability of product；And it is simple in construction, it is easy to assembly.
Further, the dovetail groove runs through the first panel 1 or the second panel 2 along its axial direction.So,
Dovetail can be embedded in dovetail groove from the both ends of dovetail groove, and embedded in order to dovetail is installed.Wherein, dovetail with
And dovetail groove is in strip, make the combination of first panel and second panel more firm, reliable.
In the present embodiment, the support block 33 that extends sideways out of the support member 3, the top of the support block 33 is resisted against institute
First panel 1 is stated, the bottom of the support block 33 is resisted against the second panel 2, makes the supporting construction of support member more firm,
Effectively lift the reliability of composite board.
In the present embodiment, reference picture 5, Fig. 6, the edge of the composite board offer inserting groove 4 and inserting projection 5；
The edge of the composite board offers inserting groove 4 or inserting projection 5.So, composite board is during splicing, you can
Splicing is realized by way of inserting, it is simple in construction, it is easy to use.Specifically, as the preferred embodiments of the present invention, the first face
Plate and second panel are square, and the left and right sides of composite board is provided with inserting groove, two before and after composite board
It is raised that side is provided with inserting；, two-by-two can be raised with inserting by inserting between composite board when composite board splices two-by-two
The inserting of groove, which coordinates, realizes that splicing is fixed, simple in construction, easy to use.
Wherein, the inserting groove 4 includes being arranged on first " L " type groove 41 of the edge of first panel 1 and set
Second " L " type groove 51 in the edge of second panel 2, and described first " L " type groove 41 and the phase of described second " L " type groove 51
It is simple in construction to constitute the inserting groove of the present invention to setting.
Wherein, the inserting projection 5 is included in the first projection 51 that the edge of first panel 1 stretches out, in institute
State the second projection 52 that the edge of second panel 2 stretches out and the 3rd projection stretched out in the end of support member 3
53, the 3rd projection 53 is arranged between first projection 51 and second projection 52, to constitute the inserting of the present invention
Projection, it is simple in construction.Further, among first is raised and second is raised, corresponding to being offered at the position of dovetail groove
Breach 6, embedded in order to dovetail is installed；Also, the end of dovetail is provided with filling part 54, lacked with realizing to above-mentioned
The filling of mouth, makes the structure of composite board more compact, effectively lifts the reliability of product.
In the present embodiment, the quantity of the support member 3 is four, and four support members are disposed side by side on the first panel
Between 1 and the second panel 2, the combination of first panel and second panel is set to fix more firm.
In the present embodiment, the material of the material of the first panel 1 and the second panel 2 is differed, and makes composite board
Easily draw materials, versatility, dicoration are stronger；Further, the color of first panel and second panel is differed, and is equally made multiple
Plywood material dicoration is stronger.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. a kind of composite board, it is characterised in that including the first panel (1) and second panel (2) being oppositely arranged, described
It is between hollow form, and the first panel (1) and the second panel (2) between one panel (1) and the second panel (2)
Support member (3) is provided with, the top of the support member (3) is the first joint portion (31), and the bottom of the support member (3) is second
Joint portion (32), the first panel (1) is provided with forms embedded the 3rd joint portion coordinated with first joint portion (31)
(11), the second panel (2) is provided with forms embedded the 4th joint portion (21) coordinated with second joint portion (32).
2. composite board according to claim 1, it is characterised in that first joint portion (31) and second knot
Conjunction portion (32) is tenon portion, correspondingly, and the 3rd joint portion (11) and the 4th joint portion (21) are groove portion, to realize
The embedded of the first joint portion (31) and the 3rd joint portion (11) is stated to coordinate and second joint portion (32) and described the
The embedded cooperation of four joint portions (21).
3. composite board according to claim 2, it is characterised in that the tenon portion is dovetail, the groove portion is dovetail
Groove.
4. composite board according to claim 3, it is characterised in that the dovetail groove is along its axial direction through described the
One panel (1) or the second panel (2).
5. composite board according to claim 1, it is characterised in that the support block that extends sideways out of the support member (3)
(33), it is resisted against the first panel (1) at the top of the support block (33), the bottom of the support block (33) is resisted against described
Second panel (2).
6. composite board according to claim 1, it is characterised in that the edge of the composite board offers inserting groove
And/or inserting is raised (5) (4).
7. composite board according to claim 6, it is characterised in that the inserting groove (4) includes being arranged on described first
First " L " type groove (41) of panel (1) edge and second " L " type groove for being arranged on the second panel (2) edge
, and described first " L " type groove (41) is oppositely arranged with described second " L " type groove (51) (51).
8. composite board according to claim 6, it is characterised in that the inserting raised (5) is included in first face
First raised (51) that plate (1) edge stretches out, in the second panel (2) edge stretch out it is second raised
(52) the 3rd raised (53) and in the support member (3) end stretched out, the described 3rd raised (53) are arranged on described
Between first raised (51) and second raised (52).
9. the composite board according to any one of claim 1 to 8, it is characterised in that the quantity of the support member (3) is four
Individual, four support members are disposed side by side between the first panel (1) and the second panel (2).
10. the composite board according to any one of claim 1 to 8, it is characterised in that the material of the first panel (1)
Differed with the material of the second panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194064.3A CN106945349A (en) | 2017-03-28 | 2017-03-28 | A kind of composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194064.3A CN106945349A (en) | 2017-03-28 | 2017-03-28 | A kind of composite board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106945349A true CN106945349A (en) | 2017-07-14 |
Family
ID=59474019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710194064.3A Pending CN106945349A (en) | 2017-03-28 | 2017-03-28 | A kind of composite board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106945349A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766389A (en) * | 2018-05-15 | 2018-11-06 | 湖州华谱钢琴制造有限公司 | The Piano central disk of recyclable reuse |
| CN108831412A (en) * | 2018-05-15 | 2018-11-16 | 湖州华谱钢琴制造有限公司 | The jigsaw of indeformable piano mid-game |
| CN109403811A (en) * | 2018-12-29 | 2019-03-01 | 衢州瑞展信息科技有限公司 | A kind of timber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2366473Y (en) * | 1999-03-10 | 2000-03-01 | 张家铭 | Composite solid wood plate having grooving |
| CN2873912Y (en) * | 2006-01-20 | 2007-02-28 | 翟秀英 | Building energy saving wall module |
| CN203429978U (en) * | 2013-08-16 | 2014-02-12 | 黄国清 | Terrestrial-heat solid wood floor |
| CN204130148U (en) * | 2014-10-28 | 2015-01-28 | 烟台金斯波格钢琴有限责任公司 | The double-deck soundboard source of sound of a kind of grand piano |
| CN106320914A (en) * | 2016-08-30 | 2017-01-11 | 晟通科技集团有限公司 | Door base plate and door structure provided with door base plate |
| CN207028355U (en) * | 2017-03-28 | 2018-02-23 | 伍东伟 | A kind of composite board |
-
2017
- 2017-03-28 CN CN201710194064.3A patent/CN106945349A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2366473Y (en) * | 1999-03-10 | 2000-03-01 | 张家铭 | Composite solid wood plate having grooving |
| CN2873912Y (en) * | 2006-01-20 | 2007-02-28 | 翟秀英 | Building energy saving wall module |
| CN203429978U (en) * | 2013-08-16 | 2014-02-12 | 黄国清 | Terrestrial-heat solid wood floor |
| CN204130148U (en) * | 2014-10-28 | 2015-01-28 | 烟台金斯波格钢琴有限责任公司 | The double-deck soundboard source of sound of a kind of grand piano |
| CN106320914A (en) * | 2016-08-30 | 2017-01-11 | 晟通科技集团有限公司 | Door base plate and door structure provided with door base plate |
| CN207028355U (en) * | 2017-03-28 | 2018-02-23 | 伍东伟 | A kind of composite board |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766389A (en) * | 2018-05-15 | 2018-11-06 | 湖州华谱钢琴制造有限公司 | The Piano central disk of recyclable reuse |
| CN108831412A (en) * | 2018-05-15 | 2018-11-16 | 湖州华谱钢琴制造有限公司 | The jigsaw of indeformable piano mid-game |
| CN108766389B (en) * | 2018-05-15 | 2023-06-02 | 湖州华谱钢琴制造股份有限公司 | Piano middle disc capable of being recovered and reused |
| CN109403811A (en) * | 2018-12-29 | 2019-03-01 | 衢州瑞展信息科技有限公司 | A kind of timber |
| CN109403811B (en) * | 2018-12-29 | 2020-05-01 | 安徽纽仑泰家居科技有限公司 | Wooden door |
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