CN112695964A - Large-scale daylighting ceiling type canopy and construction method thereof - Google Patents
Large-scale daylighting ceiling type canopy and construction method thereof Download PDFInfo
- Publication number
- CN112695964A CN112695964A CN202110007924.4A CN202110007924A CN112695964A CN 112695964 A CN112695964 A CN 112695964A CN 202110007924 A CN202110007924 A CN 202110007924A CN 112695964 A CN112695964 A CN 112695964A
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- shaped
- glass
- fixed
- main beam
- column
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/105—Grid-like structures
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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
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
- E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
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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
- E04D3/36—Connecting; Fastening
- E04D3/368—Connecting; Fastening by forcing together the marginal portions of adjacent slabs or sheets
-
- 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
- E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
- E04D3/06—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor
- E04D3/08—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of glass or other translucent material; Fixing means therefor with metal glazing bars
- E04D2003/0868—Mutual connections and details of glazing bars
Abstract
A large-scale daylighting top type canopy and its construction method, including steel structural framework and adhering to the steel structural framework and doubling glass of tempering, the steel structural framework includes locating at the periphery and forming the girth beam of the canopy outline, the interval connects the main beam in the girth beam, locate the netted secondary beam in the main beam, and support in girth beam and V-type column and pillar stand of the bottom surface of the main beam; two ends of each main beam are respectively fixed with the ring beams on the two sides, each main beam is of a wavy steel structure with fluctuating height, a plurality of main beams are arranged in a crossed mode at intervals, and a plurality of reticular secondary beams are welded and fixed in the triangular space; the toughened laminated glass is formed by fixing a plurality of triangular glass units through glass clamps. The whole design calculation volume of this method is huge, but the construction step is simple, finally forms wavy canopy structure, and hyperboloid ball pivot anchor clamps are used for domatic mild department, can improve the efficiency of construction, have fine popularization and practical value, can produce good economic benefits after extensive popularization and application.
Description
Technical Field
The invention relates to the field of building construction, in particular to a large daylighting ceiling type canopy and a construction method thereof.
Background
The canopy structure of the prior art is monotonous in modeling, although the canopy is complex in modeling, the required construction period is tight, and the design appearance effect cannot be met by adopting the traditional construction method. The invention is bold in innovation, summarizes and applies the daylighting roof type rain shed and the construction method thereof, and has the advantages of beautiful shape, good appearance quality and obvious effect.
Disclosure of Invention
The invention aims to provide a large daylighting ceiling type canopy and a construction method thereof, and aims to solve the technical problem that the canopy with a complex shape in the prior art is difficult to construct.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a large-scale daylighting top formula canopy which characterized in that: the rain shed comprises a steel structure framework and toughened doubling glass attached to the steel structure framework, wherein the steel structure framework comprises a ring beam, a main beam, a net-shaped secondary beam, a V-shaped column and an upright column, wherein the ring beam is positioned at the periphery to form the outline of the rain shed; the two ends of each main beam are respectively fixed with ring beams on two sides, each main beam is a wavy steel structure with fluctuating height formed by connecting a plurality of arc main beam units, the main beams are arranged in a crossed mode at intervals to divide the space in the ring beams into a plurality of triangular spaces, each crossed node comprises six arc main beam units in a transmitting mode, and a plurality of net-shaped secondary beams are fixedly welded in the triangular spaces; the toughened laminated glass is formed by fixing a plurality of triangular glass units which are matched with the triangular steel structures in the net-shaped secondary beam in terms of space number and shape through glass clamps.
Further preferably, the ring beam is connected the wavy annular structure that forms through first node steel casting by a plurality of arcuation ring beam units, every the girder is connected the wavy steel construction that forms through second node steel casting by a plurality of arcuation girder units, first node steel casting includes that both sides are used for connecting the ring beam connecting portion of arcuation ring beam unit, are used for connecting the girder connecting portion and the column connecting portion that the bottom of arcuation girder unit is used for connecting V type post or stand, second node steel casting is used for connecting the column connector of V type post or stand including six girder connectors and the bottom that is the setting of transmitting form.
Furthermore, the V-shaped column comprises two steel columns and a V-shaped inserting cylinder for inserting and fixing the steel columns, and the V-shaped inserting cylinder is welded and fixed with the ground embedded part through a lateral reinforcing plate.
Further, the glass clamp comprises a hyperboloid spherical hinge clamp used for fixing the splicing corner parts of the six triangular glass units, a connector for fixing the seam between the middle part and the corner part of the adjacent side of the adjacent triangular glass units, and a connector for fixing the side of the triangular glass unit at the fishtail part.
Furthermore, the glass clamp comprises a base used for being fixed with the steel structure framework, an upper clamping plate and a lower clamping plate which are arranged on the base, and clamping pieces which are arranged between the upper clamping plate and the lower clamping plate at intervals, wherein the upper clamping plate and the lower clamping plate are connected through a connecting section.
In addition, the clamping piece comprises an upper cushion block and a lower cushion block which are arranged on the upper clamping plate and the lower clamping plate respectively, and a rubber pad arranged on the top surfaces of the upper cushion block and the lower cushion block.
More preferably, be equipped with six groups of clamping spare on the hyperboloid spherical hinge anchor clamps, seam is with refuting the joint including being equipped with two sets of clamping spare, the limit is with refuting and being equipped with a set of clamping spare on the joint.
A construction method of a large-scale daylighting top type canopy is characterized in that: the method comprises the following steps:
s1, welding and fixing the ring beam: pre-embedding a ground embedded part according to a design drawing, fixedly welding a V-shaped column and an upright column on the ground embedded part, fixedly welding first node steel castings on the top surfaces of the V-shaped column and the upright column, fixedly welding arc-shaped ring beam units between the first node steel castings to form a ring beam, and strictly controlling the welding angle between the connecting part of the first node steel casting column and the V-shaped column or the upright column;
s2, welding and fixing the main beam: a V-shaped column and an upright column below the main beam are welded and fixed in advance, second node steel castings are welded and fixed on the top surfaces of the V-shaped column and the upright column, the transversely and longitudinally staggered main beams are welded and fixed between the first node steel castings on the ring beam, and a pre-designed and constructed net-shaped secondary beam is hoisted and welded in a triangular space formed by the main beams;
s3, constructing toughened laminated glass: at the nodical fixed glass anchor clamps of nodical department welding of netted secondary beam and girder, domatic mild department, the bight of six triangle-shaped glass units is fixed through hyperboloid ball pivot anchor clamps, domatic precipitous department, it is fixed with refuting the joint through six departments seam between the bight of six triangle-shaped glass units, adjacent limit of adjacent triangle-shaped glass unit is strengthened fixedly with refuting the joint through the seam, it is fixed with refuting the joint through the limit to be close to the triangle-shaped glass unit of circle roof beam department, carry out quality control after the tempering doubling glass construction is accomplished, after the quality control is accomplished, the construction of large-scale daylighting top formula canopy is accomplished.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention forms the whole outline of the canopy by the ring beam, and forms the supporting steel framework of toughened doubling glass in the ring beam through the main beam and the reticular secondary beam, and assembles the triangular glass units with different radians by using the overlap joint, the hyperboloid ball hinge clamp and the overlap joint for sewing, finally forms the wavy daylighting ceiling type canopy with high and low height.
Drawings
FIG. 1 is a schematic perspective view of a large ceiling-type canopy;
FIG. 2 is a schematic structural view of a ground embedment in accordance with the present invention;
FIG. 3 is a schematic structural diagram of a second node steel casting according to the invention;
FIG. 4 is a schematic structural diagram of a first node steel casting according to the present invention;
FIG. 5 is a schematic perspective view of the present invention;
FIG. 6 is an enlarged view of part A of FIG. 5;
FIG. 7 is a schematic structural view of a hyperboloid spherical hinge clamp according to the present invention;
fig. 8 is a schematic structural view of a joint according to the present invention;
fig. 9 is a schematic structural view of the edge joint according to the present invention.
Reference numerals: 1-ring beam; 2-main beam; 3-a net-shaped secondary beam; 4-V-shaped column; 5-upright column; 6-arc shaped ring beam unit; 7-overlap joint for edge; 8-hyperboloid spherical hinge clamp; 9-sewing lapel; 10-triangular glass unit; 11-a base; 12-upper splint; 13-lower splint; 14-upper cushion block; 15-lower cushion block; 16-a rubber pad; 17-a connecting segment; 18-arc-shaped main beam unit; 19-main beam connection; 20-column connection; 21-main beam connector; 22-post connector; 23-V-shaped inserting barrels; 24-ground embedment; 25-lateral stiffening plates; 25-ring beam connection.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
A large-scale daylighting top type canopy, as shown in fig. 1 and 5, comprises a steel structure framework and toughened doubling glass attached to the steel structure framework, wherein the steel structure framework comprises a ring beam 1 which is positioned at the periphery to form the outline of the canopy, main beams 2 which are connected in the ring beam 1 at intervals, a net-shaped secondary beam 3 which is arranged in the main beam 2, and V-shaped columns 4 and upright columns 5 which are supported at the bottom surfaces of the ring beam 1 and the main beams 2; two ends of a main beam 2 are respectively fixed with ring beams 1 on two sides, each main beam 2 is a wavy steel structure with fluctuating height and height formed by connecting a plurality of arc main beam units 18, the main beams 2 are arranged in a crossed mode at intervals to divide the space in the ring beams 1 into a plurality of triangular spaces, each crossed node comprises six arc main beam units 18 in a transmitting mode, and a plurality of net-shaped secondary beams 3 are welded and fixed in the triangular spaces; the toughened laminated glass is formed by fixing a plurality of triangular glass units 10 which are matched with the space number and the shape of the triangular steel structure in the net-shaped secondary beam 3 through glass clamps.
The ring beam 1 is a wavy annular structure formed by connecting a plurality of arc-shaped ring beam units 6 through first node steel castings, each main beam 2 is a wavy steel structure formed by connecting a plurality of arc-shaped main beam units 18 through second node steel castings, as shown in fig. 4, each first node steel casting comprises ring beam connecting parts 25, main beam connecting parts 19 and column connecting parts 20, wherein the two sides of each ring beam connecting part are used for connecting the arc-shaped ring beam units 6, the main beam connecting parts 19 are used for connecting the arc-shaped main beam units 18, the bottoms of the first node steel castings are used for connecting V-shaped columns 4 or columns 5, and as shown in fig. 3, each second node steel casting comprises six main beam connectors 21 and column connectors 22, the bottoms of the six main beam connectors are used for connecting the V-shaped columns 4.
As shown in fig. 2, the V-shaped column 4 includes two steel columns and a V-shaped insertion tube 23 for inserting and fixing the steel columns, and the V-shaped insertion tube 23 is welded and fixed with a ground embedded part 24 through a lateral reinforcing plate 25.
1. As shown in fig. 6 to 9, the glass fixture comprises a hyperboloid spherical hinge fixture 8 for fixing the joint corners of six triangular glass units 10, a seam overlap joint 9 for fixing the adjacent middle parts of the edges of the adjacent triangular glass units 10 and between the corners, and a seam overlap joint 7 for fixing the triangular glass units 10 at the fishtail edges, the glass fixture comprises a base 11 for fixing with a steel structure framework, an upper clamping plate 12 and a lower clamping plate 13 arranged on the base 11, and clamping members arranged between the upper clamping plate 12 and the lower clamping plate 13 at intervals, the upper clamping plate 12 and the lower clamping plate 13 are connected through a connecting section 17, the clamping members comprise an upper cushion block 14 and a lower cushion block 15 arranged on the upper clamping plate 12 and the lower clamping plate 13 respectively, and rubber pads 16 arranged on the top surfaces of the upper cushion block 14 and the lower cushion block 15, six groups of clamping members are arranged on the hyperboloid spherical hinge fixture 8, the seam overlap joint 9 comprises two groups of clamping members, the side joint 7 is provided with a group of clamping pieces.
2. A construction method of a large-scale daylighting top type canopy is characterized in that: the method comprises the following steps:
s1, welding and fixing the ring beam 1: pre-burying a ground embedded part according to a design drawing, fixedly welding a V-shaped column 4 and an upright post 5 on the ground embedded part, fixedly welding first node steel castings on the top surfaces of the V-shaped column 4 and the upright post 5, fixedly welding an arc-shaped ring beam unit 6 between the first node steel castings to form a ring beam 1, and strictly controlling the welding angle between a first node steel casting column connecting part 20 and the V-shaped column 4 or the upright post 5;
s2, welding and fixing the main beam 2: a V-shaped column 4 and an upright post 5 below a main beam 2 are welded and fixed in advance, second node steel castings are welded and fixed on the top surfaces of the V-shaped column 4 and the upright post 5, the main beams 2 which are transversely and longitudinally staggered are welded and fixed between first node steel castings on a ring beam 1, and a pre-designed and constructed net-shaped secondary beam 3 is hoisted and welded in a triangular space formed by the main beams 2;
s3, constructing toughened laminated glass: at 3 nodical and 2 nodical weld fixation glass anchor clamps of girder of netted secondary beam, domatic gentle department, six triangle-shaped glass unit 10's bight passes through hyperboloid ball pivot anchor clamps 8 fixedly, domatic precipitous department, it is fixed with refuting joint 9 through six seams between six triangle-shaped glass unit 10's bights, adjacent limit of adjacent triangle-shaped glass unit 10 is strengthened fixedly with refuting joint 9 through the seam, it is fixed with refuting joint 7 through the limit to be close to triangle-shaped glass unit 10 of ring roof beam 1 department, carry out quality control after the construction of tempering doubling glass is accomplished, after the quality control is accomplished, the construction of large-scale daylighting formula canopy is accomplished.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a large-scale daylighting top formula canopy which characterized in that: the rain shed comprises a steel structure framework and toughened doubling glass attached to the steel structure framework, wherein the steel structure framework comprises a ring beam (1) which is positioned at the periphery to form the outline of the rain shed, a main beam (2) which is connected in the ring beam (1) at intervals, a net-shaped secondary beam (3) which is arranged in the main beam (2), and a V-shaped column (4) and an upright column (5) which are supported on the bottom surfaces of the ring beam (1) and the main beam (2); the two ends of each main beam (2) are respectively fixed with the ring beams (1) on the two sides, each main beam (2) is a wavy steel structure with fluctuating height and height formed by connecting a plurality of arc main beam units (18), the main beams (2) are arranged at intervals in a crossed manner, the space in the ring beams (1) is divided into a plurality of triangular spaces, each crossed node comprises six arc main beam units (18) in a launching shape, and the net-shaped secondary beams (3) are welded and fixed in the triangular spaces; the toughened laminated glass is formed by fixing a plurality of triangular glass units (10) which are matched with the space number and the shape of the triangular steel structure in the net-shaped secondary beam (3) through glass clamps.
2. A large daylighting roof-type rainshed as in claim 1, wherein: ring beam (1) is connected the wavy annular structure who forms through first node steel casting by a plurality of arcuation ring beam units (6), every girder (2) are connected the wavy steel construction that forms for being connected through second node steel casting by a plurality of arcuation girder units (18), first node steel casting includes that both sides are used for connecting ring beam connecting portion (25) of arcuation ring beam unit (6), be used for connecting girder connecting portion (19) and the bottom of arcuation girder unit (18) are used for connecting post connecting portion (20) of V type post (4) or stand (5), second node steel casting is used for connecting post connector (22) of V type post (4) or stand (5) including six girder connector (21) and the bottom that are the launch setting.
3. A large daylighting roof-type rainshed as in claim 1, wherein: the V-shaped column (4) comprises two steel columns and a V-shaped inserting cylinder (23) used for inserting and fixing the steel columns in an inserting mode, and the V-shaped inserting cylinder (23) is welded and fixed with a ground embedded part (24) through a lateral reinforcing plate (25).
4. A large daylighting roof-type rainshed as in claim 1, wherein: glass anchor clamps are including hyperboloid spherical hinge anchor clamps (8) that are used for fixed six triangle-shaped glass unit (10) concatenation bights for seam that adjacent triangle-shaped glass unit (10) face limit middle part and between the bight is with refuting joint (9), and is used for the limit of fixed fishtail limit portion triangle-shaped glass unit (10) to refute joint (7).
5. A large daylighting roof-type rainshed as in claim 4, wherein: the glass clamp comprises a base (11) fixed with a steel structure framework, an upper clamping plate (12) and a lower clamping plate (13) arranged on the base (11) and clamping pieces arranged between the upper clamping plate (12) and the lower clamping plate (13) at intervals, wherein the upper clamping plate (12) and the lower clamping plate (13) are connected through a connecting section (17).
6. A large daylighting roof-type rainshed as in claim 5, wherein: the clamping piece comprises an upper cushion block (14) and a lower cushion block (15) which are arranged on the upper clamping plate (12) and the lower clamping plate (13) respectively, and a rubber pad (16) which is arranged on the top surfaces of the upper cushion block (14) and the lower cushion block (15).
7. A large daylighting roof-type rainshed as in claim 5, wherein: be equipped with six groups of clamping spare on hyperboloid spherical hinge anchor clamps (8), seam is with refuting joint (9) including being equipped with two sets of clamping spare, the limit is with refuting and being equipped with a set of clamping spare on joint (7).
8. A construction method of a large ceiling-type awning as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, welding and fixing the ring beam (1): pre-burying a ground embedded part according to a design drawing, fixedly welding a V-shaped column (4) and an upright column (5) on the ground embedded part, fixedly welding first node steel castings on the top surfaces of the V-shaped column (4) and the upright column (5), fixedly welding arc-shaped ring beam units (6) between the first node steel castings to form a ring beam (1), and strictly controlling the welding angle between a first node steel casting column connecting part (20) and the V-shaped column (4) or the upright column (5);
s2, welding and fixing the main beam (2): a V-shaped column (4) and an upright post (5) below a main beam (2) are welded and fixed in advance, second node steel castings are welded and fixed on the top surfaces of the V-shaped column (4) and the upright post (5), the main beams (2) which are staggered transversely and longitudinally are welded and fixed between the first node steel castings on a ring beam (1), and a pre-designed and constructed net-shaped secondary beam (3) is hoisted and welded in a triangular space formed by the main beams (2);
s3, constructing toughened laminated glass: the fixed glass anchor clamps of nodical department welding of net secondary beam (3) intersect and girder (2), domatic mild department, the bight of six triangle-shaped glass units (10) is fixed through hyperboloid ball pivot anchor clamps (8), domatic precipitous department, it is fixed with refuting joint (9) through six seams between the bight of six triangle-shaped glass units (10), adjacent limit of adjacent triangle-shaped glass unit (10) is strengthened fixedly with refuting joint (9) through the seam, triangle-shaped glass unit (10) that are close to circle roof beam (1) department are fixed with refuting joint (7) through the limit, carry out the quality control after tempering doubling glass construction is accomplished, after the quality control is accomplished, large-scale daylighting top formula canopy construction is accomplished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007924.4A CN112695964B (en) | 2021-01-05 | 2021-01-05 | Large-scale daylighting ceiling type canopy and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110007924.4A CN112695964B (en) | 2021-01-05 | 2021-01-05 | Large-scale daylighting ceiling type canopy and construction method thereof |
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| Publication Number | Publication Date |
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| CN112695964A true CN112695964A (en) | 2021-04-23 |
| CN112695964B CN112695964B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110007924.4A Active CN112695964B (en) | 2021-01-05 | 2021-01-05 | Large-scale daylighting ceiling type canopy and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522697A (en) * | 2022-10-11 | 2022-12-27 | 山东天元装饰工程有限公司 | Point connection glass awning system |
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| CN205558067U (en) * | 2016-04-06 | 2016-09-07 | 王淼 | Canopy spider |
| CN106592844A (en) * | 2016-12-19 | 2017-04-26 | 杜海平 | Hemispherical reticulated shell structure assembling house |
| US20180051467A1 (en) * | 2015-03-20 | 2018-02-22 | Gabi Förster | Sun Shade Device |
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2021
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|---|---|---|---|---|
| US20090044459A1 (en) * | 2005-06-21 | 2009-02-19 | Arpad Kolozsvary-Kiss | Roof arches without bending moments |
| CN201657660U (en) * | 2010-01-06 | 2010-12-01 | 仲崇泽 | Energy-saving regenerative landscaped greenhouse |
| US20180051467A1 (en) * | 2015-03-20 | 2018-02-22 | Gabi Förster | Sun Shade Device |
| CN105821969A (en) * | 2016-04-06 | 2016-08-03 | 中亿丰建设集团股份有限公司 | Installation method of large-span curved-surface ventilated rain curtain |
| CN205558067U (en) * | 2016-04-06 | 2016-09-07 | 王淼 | Canopy spider |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115522697A (en) * | 2022-10-11 | 2022-12-27 | 山东天元装饰工程有限公司 | Point connection glass awning system |
| CN115522697B (en) * | 2022-10-11 | 2023-08-18 | 山东天元装饰工程有限公司 | Point-connected glass awning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112695964B (en) | 2022-01-25 |
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