CN110080469A - A kind of gymnasium metal Roof - Google Patents
A kind of gymnasium metal Roof Download PDFInfo
- Publication number
- CN110080469A CN110080469A CN201910481560.6A CN201910481560A CN110080469A CN 110080469 A CN110080469 A CN 110080469A CN 201910481560 A CN201910481560 A CN 201910481560A CN 110080469 A CN110080469 A CN 110080469A
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- China
- Prior art keywords
- layer
- metal
- base plate
- metal base
- gymnasium
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
- E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
- E04D3/354—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material more than one of the layers being composed of insulating material
Abstract
The invention discloses a kind of gymnasium metal Roofs, belong to building field.The gymnasium metal Roof includes metal decking layer and metal base plate layer, metal supporting layer is additionally provided between the metal decking layer and metal base plate layer, it is disposed with waterproof ventilative layer, the first insulating layer, flexible waterproof layer and the second insulating layer from top to bottom between the metal supporting layer and metal decking layer, is disposed with puigging and sound absorbing layer from top to bottom between the metal supporting layer and metal base plate layer；Several groups through-hole is equipped on the metal base plate layer and metal supporting layer, first insulating layer and the second insulating layer are heat-preservation cotton.The embodiment of the present invention between metal decking layer and metal supporting layer also by being arranged the first insulating layer and flexible waterproof layer, and sound absorbing layer is set between metal base plate layer and metal supporting layer, multi-layer heat preserving and deadening can be played, so as to greatly improve the heat insulation effect and soundproof effect of metal Roof.
Description
Technical field
The present invention relates to building field, specifically a kind of gymnasium metal Roof.
Background technique
Metal Roof refers to using sheet metal as roof system panel material, and by various functional structure layers with and metal plate
Material is combined into a kind of roof structure an of entirety, is widely used in the roof building design of various public places.Wherein, right
For the biggish place in the spaces such as gymnasium, the thermal insulation property and sound insulation value of metal Roof are particularly important.
However, traditional gymnasium metal Roof is generally by the heat-preservation cotton and list that single layer is arranged between sheet metal
The puigging of layer improves the thermal insulation property and sound insulation value of metal Roof, therefore at least there is heat insulation effect and soundproof effect is poor
The problems such as.In addition, since traditional gymnasium metal Roof does not carry out effective waterproofing protection measure to heat-preservation cotton, therefore keep the temperature
Cotton is easy dampness, deformation, to will affect the heat insulation effect of heat-preservation cotton, furthermore traditional lamination layer structure is designed for example in patent
Document: simply will in CN103291015A, CN102518266A, CN202347746U, JPH1118941A, JP3182576U
Multiple and different functional layers are laid out, but synergistic effect is had no between functional layer, and are compacting in multiple superposed structure
Structure, therefore more unfavorable heat-preservation cotton layer air-permeable dampproof in the inner.
Summary of the invention
The purpose of the present invention is to provide a kind of gymnasium metal Roofs, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of gymnasium metal Roof, including metal decking layer and metal base plate layer, the metal decking layer and metal
It is additionally provided with metal supporting layer between backplane level, is disposed with from top to bottom between the metal supporting layer and metal decking layer
Waterproof ventilative layer, the first insulating layer, flexible waterproof layer and the second insulating layer, between the metal supporting layer and metal base plate layer
It is disposed with puigging and sound absorbing layer from top to bottom；It is logical that several groups are equipped on the metal base plate layer and metal supporting layer
Hole, first insulating layer and the second insulating layer are heat-preservation cotton.
A kind of preferred embodiment used in the embodiment of the present invention, the metal decking layer are Al-Mg-Mn alloy material.
Another kind preferred embodiment used in the embodiment of the present invention, the metal base plate layer and metal supporting layer are wave
Shape structure.
Another kind preferred embodiment used in the embodiment of the present invention, the metal base plate layer and metal supporting layer are steel
Material.
Another kind preferred embodiment used in the embodiment of the present invention, the waterproof ventilative layer are density polyethylene film with high.
Another kind preferred embodiment used in the embodiment of the present invention, the flexible waterproof layer are PVC waterproof roll.
Another kind preferred embodiment used in the embodiment of the present invention, the puigging are cement fibrolite plate.
Another kind preferred embodiment used in the embodiment of the present invention, the sound absorbing layer are super glass wool material.
It is used in the embodiment of the present invention another kind preferred embodiment, be additionally provided between the metal base plate layer and sound absorbing layer every
Knoisphere.
Another kind preferred embodiment used in the embodiment of the present invention, the dust separating layer are non-woven fabrics material.
The above-mentioned technical proposal of the offer of the embodiment of the present invention has following technical effect that compared with the prior art
(1) embodiment of the present invention passes through the metal base plate layer of setting wavy shaped configuration, and in metal base plate layer and metal
The metal supporting layer of wavy shaped configuration is set between panel layer, the mechanical property and stabilization of entire metal roofing structure can be improved
Property, furthermore the undulated design can also dramatically increase the surface area of metal base plate layer (2) and the noise to the generation of its down space
It is partially absorbed.
(2) embodiment of the present invention on metal base plate layer and metal supporting layer also by being arranged several groups through-hole, Ke Yiti
The permeability of high metal roofing.
(3) embodiment of the present invention between metal decking layer and metal supporting layer also by being arranged the first insulating layer and flexibility
Waterproof layer, and sound absorbing layer is set between metal base plate layer and metal supporting layer, multi-layer heat preserving and deadening can be played,
So as to greatly improve the heat insulation effect and soundproof effect of metal Roof.
(4) embodiment of the present invention is arranged on the second insulating layer also by the way that waterproof ventilative layer is arranged on the first insulating layer
Flexible waterproof layer and puigging is set on sound absorbing layer, the waterproof and dampproof performance of metal Roof not only can be improved, but also
The first insulating layer, the second insulating layer and sound absorbing layer dampness deformation can be prevented, thereby may be ensured that the first insulating layer, the second heat preservation
The heat preservation of layer and sound absorbing layer, sound absorption qualities are unaffected.
(5) the waveform combination through-hole of metal base plate layer of the invention and the frosted on through-hole or guide recess design make
It obtains electrical wire illumination and humidity resistance can be accomplished.The end straightened of metal base plate layer and support sheet-metal layers is set
Fin on meter and groove, bulge-structure complexed metal panel layer allows architectural top to be divided into muti-piece assembly and passes through top
The dislocation contact of fin and the groove protrusion of bottom sequentially fasten completion.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for gymnasium metal Roof that embodiment 1 provides.
Fig. 2 is the structural schematic diagram for the metal base plate layer that embodiment 1 provides.
Fig. 3 is the structural schematic diagram for the metal supporting layer that embodiment 1 provides.
Fig. 4 is a kind of structural schematic diagram for gymnasium metal Roof that embodiment 2 provides.
In figure: 1- metal decking layer, 2- metal base plate layer, 3- metal supporting layer, 4- waterproof ventilative layer, 5- first are kept the temperature
Layer, 6- flexible waterproof layer, the second insulating layer of 7-, 8- puigging, 9- sound absorbing layer, 10- through-hole, 11- dust separating layer.
Specific embodiment
Following specific embodiment is the tool made in conjunction with the attached drawing provided in this specification to the technical solution of the application
Body, clearly description.Wherein, the attached drawing of specification is intended merely to for the technical solution of the application being presented more clear bright
, the shape or size in actual production or use are not represented, and can not be using the label of attached drawing as related power
The limitation that benefit requires.
In addition, the term used should make the understanding of broad sense, for the technology of this field in the description of the present application
For personnel, the concrete meaning of term can be understood according to actual concrete condition.For example, term employed in the application
" setting " and " being equipped with " can be defined as contact setting or not in contact with formula setting etc.；Used term " connection " and " phase
It even " can be defined as being fixedly connected or the mechanical connection of movable connection, also may be defined as being electrically connected etc.；Used art
Language " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate
The quantity of indicated technical characteristic；Used noun of locality term be with reference to the accompanying drawings or according to actual conditions with
And subject to direction defined in common knowledge.
Embodiment 1
Referring to attached drawing 1-3, which provides a kind of gymnasium metal Roof, including metal decking layer 1 and metal base plate
Layer 2.Wherein, metal supporting layer 3, the metal supporting layer are additionally provided between the metal decking layer 1 and metal base plate layer 2
Waterproof ventilative layer 4, the first insulating layer 5, flexible waterproof layer 6 and second are disposed between 3 and metal decking layer 1 from top to bottom
Insulating layer 7 is disposed with puigging 8 and sound absorbing layer 9 between the metal supporting layer 3 and metal base plate layer 2 from top to bottom.
Specifically, the metal decking layer 1 is the Al-Mg-Mn that 3004H24 Al-Mg-Mn alloy material is made into the prior art
Plate uses the fixed form of standing-seam with a thickness of 0.9mm.By selecting roofing material of the Al-Mg-Mn plate as metal Roof
Corrosion resistance, durability, waterproof performance, fire protecting performance and the entirety for reducing metal Roof of metal Roof can be improved in material
Weight.
Further, the metal base plate layer 2 and metal supporting layer 3 are the steel of wavy shaped configuration, the thickness of the two
It is 1.5mm.By the metal base plate layer 2 of setting wavy shaped configuration, be conducive to play the role of support to entire metal Roof,
So as to improve the intensity and mechanical property of metal Roof；By the way that the metal supporting layer 3 of wavy shaped configuration is arranged, can play
The effect of Auxiliary support, so as to the structure of the entire metal Roof of stabilization.In addition, the metal base plate layer 2 and metal branch
It is equipped with several groups through-hole 10 on support layer 3, by the setting of through-hole 10, the gas permeability of metal Roof can be improved and convenient for each
Functional structure layer plays a role.
Further, sound absorbing layer 9 is equipped on the metal base plate layer 2, the sound absorbing layer 9 is super glass wool material
Matter, with a thickness of 50mm.By being laid with the sound absorbing layer 9 of super glass wool material on metal base plate layer 2, gold can be greatly improved
Belong to the sound-absorbing effect of roofing, and first layer insulation effect can be played.
Further, puigging 8 is equipped on the sound absorbing layer 9, the metal supporting layer 3 is mounted on puigging 8
Above.Wherein, puigging 8 is cement fibrolite plate, with a thickness of 12mm, not only can be further improved the sound insulation effect of metal Roof
Fruit, but also the moisture-proof and fire protecting performance of metal Roof can be improved, so as to prevent sound absorbing layer 9 from making moist, to avoid sound-absorbing
The acoustical absorption heat preserving effect decline of layer 9.It should be noted that puigging 8 can demand according to the actual situation, may be set to be
Two layers.
Further, the second insulating layer 7 is equipped in the metal supporting layer 3, the second insulating layer 7 can be selected density and be
36kg/m3Heat-preservation cotton, with a thickness of 100mm.Second layer insulation effect can be played by the setting of the second insulating layer 7, from
And the heat insulation effect of metal Roof can be improved.In addition, being equipped with flexible waterproof layer 6 on second insulating layer 7, flexibility is anti-
Water layer 6 is PVC waterproof roll, with a thickness of 1.2mm.By the setting of PVC waterproof roll, can mention significantly
The waterproof performance of metal Roof, and can make moist and deform to avoid the second insulating layer 7, it thereby may be ensured that the second insulating layer 7
Insulation effect.
Further, the first insulating layer 5 is equipped on the flexible waterproof layer 6, first insulating layer 5 is glass fiber
The heat-preservation cotton of continuous material, with a thickness of 200mm.By the way that the first insulating layer 5 of glass silk floss material is arranged, the can be not only played
Insulation effect three times, but also sound-absorbing can be played the role of, so as to further increase the heat preservation and sound insulation of metal Roof
Effect.In addition, being also equipped with waterproof ventilative layer 4 on first insulating layer 5, the metal decking layer 1 is mounted on waterproof
Above air-permeable layer 4.Wherein, the waterproof ventilative layer 4 is density polyethylene film with high, can play the role of air permeable waterproof, from
And while can guarantee metal Ventilating for roof performance, moreover it is possible to guarantee the waterproof performance of metal Roof, and can be prevented
One insulating layer 5 dampness deformation, so that the thermal insulation property of the first insulating layer 5 is unaffected.
It should be noted that flexible waterproof layer 6 should be laid on the second heat preservation immediately when the second insulating layer 7 is laid
The upper surface of layer 7, to prevent the second insulating layer 7 from making moist；Likewise, waterproof ventilative layer 4 is also answered when the first insulating layer 5 is laid
This is laid on the upper surface of first insulating layer 5 immediately, to prevent the first insulating layer 5 from making moist.In addition, when the first insulating layer 5 or the second
When insulating layer 7 needs multiple heat-preservation cottons to be spliced, there cannot be gap between adjacent heat-preservation cotton, seam crossing can use aluminium foil
Adhesive tape cements, and is ordered with stapler, to guarantee the thermal insulation property of entire metal Roof.If the first insulating layer 5 or second is protected
When warm layer 7 needs to carry out the laying of multi-layer heat preserving cotton, also need to carry out the heat-preservation cotton of upper and lower level into fissure of displacement laying, it is cold to prevent from being formed
Bridge.
Embodiment 2
Referring to attached drawing 4, in order to which metal Roof can be made to play dust-proof effect, which is on the basis of embodiment 1
On improve, specifically, being equipped with dust separating layer 11 on the metal base plate layer 2, the sound absorbing layer 9 is laid on metal bottom
On plate layer 2.Wherein, the dust separating layer 11 is non-woven fabrics material.It, not only can be with by the way that the dust separating layer 11 of non-woven fabrics material is arranged
Play the role of dust-separation, can also play ventilative and moisture-proof effect.It should be noted that dust separating layer 11 be laid with when,
It needs to tighten dust separating layer 11, to guarantee the compactness of the laying of dust separating layer 11.
In conclusion metal base plate layer 2 of the embodiment of the present invention by setting wavy shaped configuration, and in metal base plate layer
The metal supporting layer 3 of wavy shaped configuration is set between 2 and metal decking layer 1, the mechanics of entire metal roofing structure can be improved
Performance and stability.The embodiment of the present invention also by metal base plate layer 2 and metal supporting layer 3 be arranged several groups through-hole 10,
The permeability of metal Roof can be improved.
In addition, the embodiment of the present invention between metal decking layer 1 and metal supporting layer 3 by being arranged 5 He of the first insulating layer
Flexible waterproof layer 6, and between metal base plate layer 2 and metal supporting layer 3 be arranged sound absorbing layer 9, can play multi-layer heat preserving and
Deadening, so as to greatly improve the heat insulation effect and soundproof effect of metal Roof.The embodiment of the present invention is also by
Waterproof ventilative layer 4 is set on one insulating layer 5, flexible waterproof layer 6 is set on the second insulating layer 7 and is arranged on sound absorbing layer 9
Puigging 8, not only can be improved the waterproof and dampproof performance of metal Roof, but also can prevent the first insulating layer 5, second from keeping the temperature
Layer 7 and the dampness deformation of sound absorbing layer 9, thereby may be ensured that heat preservation, the sound-absorbing of the first insulating layer 5, the second insulating layer 7 and sound absorbing layer 9
Performance is unaffected.
Embodiment 3: a kind of gymnasium metal Roof, including metal decking layer 1 and metal base plate layer 2, the metal covering
Metal supporting layer 3 is additionally provided between plate layer 1 and metal base plate layer 2, the metal base plate layer 2 and metal supporting layer 3 are wave
Shape wave structure is disposed with density polyethylene film with high type between the metal supporting layer 3 and metal decking layer 1 from top to bottom
Waterproof ventilative layer 4, the first insulating layer 5, PVC waterproof roll type flexible waterproof layer 6 and the second insulating layer 7, the metal
Cement fibrolite plate puigging 8 and sound absorbing layer 9, the gold are disposed between supporting layer 3 and metal base plate layer 2 from top to bottom
Belong to and is additionally provided with cloth dust separating layer 11 between backplane level 2 and sound absorbing layer 9；First insulating layer 5 and the second insulating layer 7 is to protect
Wen Mian is equipped with several groups through-hole 10, and the through-hole on metal base plate layer 2 on the metal base plate layer 2 and metal supporting layer 3
The wall of hole wall is along frosted processing is done or in wall along upper setting arc guide recess, so that the through-hole can also while realizing ventilation
Pilot hole enough is connect as the interspersed of external electrical conducting wire, shown electrical wire is with snakelike or S-shaped along more on metal base plate layer 2
A through-hole is laid with, and does straight processing in the end of left and right two of metal base plate layer 2 and metal supporting layer 3, and set in left end
It is equipped with groove, right-hand end is provided with protrusion, the top of metal decking layer 1 is provided with multiple parallel fins, in fin
On be provided with the through-hole for extending transversely through rib body, fin also combines auxiliary dress as assembled while realizing externally drained drainage
It sets.
The metal base plate layer of wavy shaped configuration is set in the embodiment, and metal base plate layer and metal decking layer it
Between be arranged wavy shaped configuration metal supporting layer, the mechanical property and stability of entire metal roofing structure can be improved, furthermore
The undulated design can also dramatically increase the surface area of metal base plate layer (2) and carry out part to the noise that its down space generates
It absorbs, furthermore when needing integrated lighting lamp electric wiring to be laid with, on the waveform combination through-hole and through-hole of metal base plate layer
Frosted or guide recess design so that electrical wire illumination and humidity resistance can be accomplished.Metal base plate layer and support
Fin in the design of end straightened and groove, bulge-structure complexed metal panel layer of sheet-metal layers, so that architectural top can
Completion is sequentially fastened to be divided into muti-piece assembly by the dislocation contact of top fin and the groove protrusion of bottom.
It should be noted that above-described embodiment carries out specifically, clearly just for the technical solution and technical characteristic of the application
The description of Chu.And to those skilled in the art, belong to the scheme or feature of the prior art or common knowledge, above
It is not just described in detail in embodiment.
Certainly, the technical solution of the application is not limited solely to the above embodiments, and those skilled in the art should will illustrate
As a whole, the technical solutions in the various embodiments may also be suitably combined for book, so as to form those skilled in the art
The other embodiments that member is understood that.
Claims (6)
1. a kind of gymnasium metal Roof, including metal decking layer (1) and metal base plate layer (2), which is characterized in that the gold
Belong to and being additionally provided with metal supporting layer (3) between panel layer (1) and metal base plate layer (2), the metal base plate layer (2) and metal branch
Supportting layer (3) is wavy shaped configuration, is set gradually from top to bottom between the metal supporting layer (3) and metal decking layer (1)
There are density polyethylene film with high type waterproof ventilative layer (4), the first insulating layer (5), PVC waterproof roll type flexible waterproof layer (6)
With the second insulating layer (7), it is disposed with cement from top to bottom between the metal supporting layer (3) and metal base plate layer (2)
Fiberboard puigging (8) and sound absorbing layer (9) are additionally provided with cloth dust separating layer between the metal base plate layer (2) and sound absorbing layer (9)
(11)；First insulating layer (5) and the second insulating layer (7) is heat-preservation cotton, the metal base plate layer (2) and metal branch
Support layer (3) on be equipped with several groups through-hole (10), and the through hole wall on metal base plate layer (2) wall along do frosted processing or
In wall along upper setting arc guide recess, so that the through-hole can also be as the interspersed of external electrical conducting wire while realizing ventilation
Pilot hole is connect, shown electrical wire is laid with snakelike or S-shaped along multiple through-holes on metal base plate layer (2), in metal base plate
Straight processing is done in the end of left and right two of layer (2) and metal supporting layer (3), and fluted in left end setting, in right-hand end
Portion is provided with protrusion, and the top of metal decking layer (1) is provided with multiple parallel fins, is provided with and extends transversely through on fin
The through-hole of rib body, fin also combine auxiliary device as assembled while realizing externally drained drainage.
2. a kind of gymnasium metal Roof according to claim 1, which is characterized in that the metal decking layer (1) is
Al-Mg-Mn alloy material.
3. a kind of gymnasium metal Roof according to claim 2, which is characterized in that the metal base plate layer (2) and
Metal supporting layer (3) is steel.
4. a kind of gymnasium metal Roof according to claim 1, which is characterized in that the puigging (8) is cement
Fiberboard.
5. a kind of gymnasium metal Roof according to claim 1, which is characterized in that the sound absorbing layer (9) is ultra-fine
Mineral wool material.
6. a kind of gymnasium metal Roof according to claim 5, which is characterized in that the dust separating layer (11) is nonwoven
Cloth material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481560.6A CN110080469A (en) | 2019-06-04 | 2019-06-04 | A kind of gymnasium metal Roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481560.6A CN110080469A (en) | 2019-06-04 | 2019-06-04 | A kind of gymnasium metal Roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110080469A true CN110080469A (en) | 2019-08-02 |
Family
ID=67423443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481560.6A Pending CN110080469A (en) | 2019-06-04 | 2019-06-04 | A kind of gymnasium metal Roof |
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| Country | Link |
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| CN (1) | CN110080469A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0338495B1 (en) * | 1988-04-21 | 1994-02-02 | Roland-Werke Dachbaustoffe und Bauchemie GmbH & Co. KG | Roof or wall covering |
| CN2353821Y (en) * | 1998-08-21 | 1999-12-15 | 李忠范 | Composite leakage-proof structure for roof |
| CN103334504A (en) * | 2013-06-27 | 2013-10-02 | 本溪自然冰制备工程有限公司 | High-strength composite corrugated fiber foam cement heat insulation material |
| CN203334459U (en) * | 2013-05-11 | 2013-12-11 | 江阴市中科机电制造有限公司 | Rock wool board with sound-absorbing function |
| CN106703274A (en) * | 2017-01-20 | 2017-05-24 | 北京城建集团有限责任公司 | Waterproof heat insulation roof with detachable cleaning piece |
| CN106939671A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Metal sandwich roof plate construction method |
| CN108360757A (en) * | 2017-12-29 | 2018-08-03 | 山东雅百特科技有限公司 | A kind of large span composite roof metallic plate and construction method |
| CN108952801A (en) * | 2018-08-01 | 2018-12-07 | 苏州鸿渺智能科技有限公司 | A kind of Coal Transportation robot shell |
-
2019
- 2019-06-04 CN CN201910481560.6A patent/CN110080469A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0338495B1 (en) * | 1988-04-21 | 1994-02-02 | Roland-Werke Dachbaustoffe und Bauchemie GmbH & Co. KG | Roof or wall covering |
| CN2353821Y (en) * | 1998-08-21 | 1999-12-15 | 李忠范 | Composite leakage-proof structure for roof |
| CN203334459U (en) * | 2013-05-11 | 2013-12-11 | 江阴市中科机电制造有限公司 | Rock wool board with sound-absorbing function |
| CN103334504A (en) * | 2013-06-27 | 2013-10-02 | 本溪自然冰制备工程有限公司 | High-strength composite corrugated fiber foam cement heat insulation material |
| CN106939671A (en) * | 2016-01-05 | 2017-07-11 | 五冶集团上海有限公司 | Metal sandwich roof plate construction method |
| CN106703274A (en) * | 2017-01-20 | 2017-05-24 | 北京城建集团有限责任公司 | Waterproof heat insulation roof with detachable cleaning piece |
| CN108360757A (en) * | 2017-12-29 | 2018-08-03 | 山东雅百特科技有限公司 | A kind of large span composite roof metallic plate and construction method |
| CN108952801A (en) * | 2018-08-01 | 2018-12-07 | 苏州鸿渺智能科技有限公司 | A kind of Coal Transportation robot shell |
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Application publication date: 20190802 |
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