CN220768554U - Slotting SE pendant stone curtain wall system - Google Patents
Slotting SE pendant stone curtain wall system Download PDFInfo
- Publication number
- CN220768554U CN220768554U CN202322454774.9U CN202322454774U CN220768554U CN 220768554 U CN220768554 U CN 220768554U CN 202322454774 U CN202322454774 U CN 202322454774U CN 220768554 U CN220768554 U CN 220768554U
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- China
- Prior art keywords
- base
- slotted
- pendant
- stone
- curtain wall
- 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.)
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- 239000004575 stone Substances 0.000 title claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 61
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 25
- 239000008397 galvanized steel Substances 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 238000002161 passivation Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 229920006335 epoxy glue Polymers 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 6
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 241000587161 Gomphocarpus Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
Landscapes
- Load-Bearing And Curtain Walls (AREA)
Abstract
The utility model discloses a seam SE pendant stone curtain wall system which comprises a SE hooking component, a bent steel plate, an upright post, a base and a slotted stone, wherein the SE hooking component comprises an S pendant and an E pendant, and the base adopts a through length design; the bending steel plates are welded and fixed with the upright posts, the base is arranged between vertically adjacent slotted stones and fixedly connected with the bending steel plates, the lower ends of the slotted stones are fixedly connected with the S hanging pieces, the upper ends of the slotted stones are fixedly connected with the E hanging pieces, and the base is hung on the base through the SE hanging components; the height of the slotted stone is further adjusted by adjusting the relative position of the S hanging piece and the base, and the position of the slotted stone in the horizontal direction is further adjusted by adjusting the relative position of the base and the bent steel plate. The utility model has the characteristics of ingenious structural design and simple installation process, greatly improves the construction and installation efficiency, and reduces the installation cost.
Description
Technical Field
The utility model belongs to the field of stone curtain wall buildings, and particularly relates to a slotted SE (selective emitter) pendant stone curtain wall system.
Background
The existing slotted stone curtain wall system basically adopts back bolt type stone, but the slotted back bolt type stone curtain wall system has the following defects: 1) The slotted stone adopts a common back bolt system, is complex in connection, has multiple switching, is complex in installation and has relatively high cost; 2) The back bolt slotting stone has high installation precision requirement and high construction difficulty.
Disclosure of Invention
Aiming at the defects of the background technology, the utility model provides the slotting SE pendant stone curtain wall system which is simple in installation process and lower in cost.
The utility model adopts the following technical scheme for realizing the purposes of the utility model:
a slotted SE pendant stone curtain wall system comprises an SE hooking component, a bent steel plate, an upright post, a base and slotted stone, wherein the SE hooking component comprises an S pendant and an E pendant, and the base adopts a through length design; the bending steel plates are welded and fixed with the upright posts, the base is arranged between vertically adjacent slotted stones and fixedly connected with the bending steel plates, the lower ends of the slotted stones are fixedly connected with the S hanging pieces, the upper ends of the slotted stones are fixedly connected with the E hanging pieces, and the base is hung on the base through the SE hanging components; the height of the slotted stone is further adjusted by adjusting the relative position of the S hanging piece and the base, and the position of the slotted stone in the horizontal direction is further adjusted by adjusting the relative position of the base and the bent steel plate.
As an alternative scheme, the upper end and the lower end of the slotted stone are provided with strip-shaped grooves, the S hanging piece is embedded into the strip-shaped groove at the lower end of the slotted stone, and the E hanging piece is embedded into the strip-shaped groove at the upper end of the slotted stone; the section of the bending steel plate is of a C-shaped structure, and two ends of the C-shaped structure are fixedly connected with the upright posts respectively; the base is provided with a containing cavity, a bolt mounting long hole, a first clamping tongue and a second clamping tongue which are respectively arranged at the upper end and the lower end of the outer side of the containing cavity, the containing cavity is of a semi-closed structure, and the size of the containing cavity is matched with that of the bent steel plate; the base is covered on the bending steel plate through the accommodating cavity and fixedly connected with the bending steel plate through a bolt arranged in the bolt mounting long hole; the S pendant is provided with a first slot, a first clamping groove and a nut mounting groove, the first slot is spliced with the strip-shaped groove at the lower end of the slotted stone, the S pendant is hung on the first clamping tongue of the base through the first clamping groove, and the depth of the nut mounting groove is larger than the thickness of the built-in nut; the E hanging piece is provided with a second slot and a second clamping groove, the second slot is spliced with the strip-shaped groove at the upper end of the slotted stone, and is hung on a second clamping tongue of the base through the second clamping groove; and the relative position of the S pendant and the base is adjusted through an adjusting bolt arranged at the nut mounting groove, and the relative position of the base and the bending steel plate is adjusted through a bolt arranged in the bolt mounting long hole.
As an alternative, the slotting SE pendant stone curtain wall system also comprises a passivated aluminum veneer; the base also comprises a first connecting end and a second connecting end; the passivation aluminum single plate is arranged on the outer side of the upright post, the first connecting end of the base is fixedly connected with the bottom end of the passivation aluminum single plate, and the second connecting end of the base is fixedly connected with the top end of the passivation aluminum single plate.
As an alternative scheme, the passivated aluminum veneer is respectively connected with the first connecting end and the second connecting end of the base through screws, and the joints of the screws are provided with sealant.
As an alternative, the base further comprises a limiting protrusion located inside the second connection end.
As an alternative, the bolt-mounting slot includes at least two groups symmetrically distributed along the upright.
As an alternative scheme, bolt installation slot hole department still is equipped with the gasket that uses rather than the cooperation, accommodation chamber outside gasket installation department adopts tooth structural design.
As an alternative, EPDM pads are provided on the contact surface between the base and the S-hanger and the contact surface between the base and the E-hanger.
As an alternative scheme, a double-component epoxy resin adhesive for sealing is arranged in the strip-shaped groove.
As an alternative scheme, the base and the SE hooking component are both made of aluminum alloy materials; the upright post is a hot galvanized steel through upright post; the bending steel plate is a bending galvanized steel plate.
The utility model has the following beneficial effects:
(1) According to the utility model, through the cooperation of the SE hanging assembly and the transverse through long base, the slotted stone is conveniently hung on the upright post, the integral connection process is simple, the construction and installation efficiency is improved, and the installation cost is reduced.
(2) According to the utility model, the relative positions of the SE hanging assembly and the base and the relative positions of the base and the bending steel plate are adjusted, so that the height and the horizontal position of the slotted stone are adjusted, the requirement on the installation precision is reduced, and the installation construction adaptability is higher.
Drawings
FIG. 1 is a schematic view of a cross-sectional node of a slotted SE pendant stone curtain wall system;
FIG. 2 is a schematic view of a vertical section node of a slotted SE pendant stone curtain wall system;
FIG. 3 is a schematic structural view of a slotted stone;
FIG. 4 is a schematic structural view of an aluminum alloy S-hanger assembly;
FIG. 5 is a schematic structural view of an aluminum alloy E-hanger assembly;
FIG. 6 is a schematic structural view of an aluminum alloy base;
the drawings are marked with the following description: 1-aluminum alloy S hanging parts, 1.1-slots, 1.2-clamping grooves and 1.3-nut mounting grooves; 2. 2.1-slot and 2.2-slot of the aluminum alloy E hanging piece; 3-bending the galvanized steel sheet; 4-stainless steel adjusting bolts; 5-hot dip galvanized steel through-upright posts; the device comprises a 6-aluminum alloy base, a 6.1-accommodating cavity, a 6.2-bolt mounting long hole, a 6.3-upper clamping tongue, a 6.4-lower clamping tongue, a 6.5-upper connecting end, a 6.6-lower connecting end and a 6.7-limiting bulge; 7-slotting stone and 7.1-strip-shaped grooves; 8-passivating the aluminum veneer; 9-stainless steel bolts; 10-a gasket; 11-double-component epoxy resin adhesive.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments and drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", etc., are presented, they are based on the azimuth or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. In addition, if the terms "first," "second," etc. are used to distinguish between similar objects, they are not necessarily used to describe a particular order or relative importance. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion, but may include other elements not expressly listed or inherent to such product or apparatus.
Referring to fig. 1 to 6, an embodiment discloses a slotted SE hanging stone curtain wall system, which mainly comprises an aluminum alloy SE hanging component, a bent galvanized steel sheet 3, a hot galvanized steel through column 5, an aluminum alloy base 6, a slotted stone 7 and a passivated aluminum veneer 8, wherein the aluminum alloy SE hanging component comprises an aluminum alloy S hanging component 1 and an aluminum alloy E hanging component 2.
As shown in fig. 3, the slotted stone 7 may be made of granite, the upper and lower ends of the slotted stone are respectively provided with 2 elongated grooves 7.1 with a length of 160mm, the elongated grooves 7.1 at the upper end are provided with aluminum alloy E hanging pieces 2, and the elongated grooves 7.1 at the lower end are provided with aluminum alloy S hanging pieces 1. The aluminum alloy SE hanging component and the stone can be installed and processed into a whole in a factory.
The aluminum alloy S pendant 1 is arranged at the lower end of the slotted stone and is provided with a slot 1.1, a clamping groove 1.2 and a nut mounting groove 1.3, wherein the slot 1.1 is matched with a strip-shaped groove 7.1 at the lower end of the slotted stone 7, and the clamping groove 1.2 and the nut mounting groove 1.3 are reversely arranged with the slot 1.1. When in use, the openings of the clamping groove 1.2 and the nut mounting groove 1.3 are downward, and the clamping groove 1.2 is fixedly clamped with the aluminum alloy base 6. The depth of the nut mounting groove 1.3 is typically greater than the thickness of the built-in nut in order to achieve an adjustment of the longitudinal (i.e. height-wise) position of the slotted stone 7.
The aluminum alloy E pendant 2 is arranged at the upper end of the slotted stone 7, and is provided with slots 2.1 and clamping grooves 2.2 which are arranged in the same direction, when the aluminum alloy E pendant is used, the openings of the slots 2.1 are downward, the aluminum alloy E pendant is matched with a strip-shaped groove 7.1 at the upper end of the slotted stone 7, and the clamping grooves 2.2 are fixedly clamped with an aluminum alloy base 6.
The bent galvanized steel sheet 3 is of a C-shaped structure and is arranged between adjacent curtain wall units, two ends of the bent galvanized steel sheet 3 are welded and fixed with the hot galvanized steel through-upright 5 respectively, the connecting effect is mainly achieved, and the fact that the whole stress of stone can be well transferred to the hot galvanized steel through-upright 5 is guaranteed.
The aluminum alloy base 6 adopts a transverse through length design and is provided with a containing cavity 6.1, a bolt installation long hole 6.2, an upper clamping tongue 6.3, a lower clamping tongue 6.4, an upper connecting end 6.5, a lower connecting end 6.6 and a limiting protrusion 6.7. The accommodating cavity 6.1 is of a semi-closed structure, and the size of the accommodating cavity is matched with that of the bent galvanized steel sheet 3; the bolt mounting long holes 6.2 are four groups symmetrically distributed by taking the hot dip galvanized steel through-upright post 5 as a center, each group comprises two through holes which are vertically communicated, and the two through holes are respectively arranged on opposite surfaces of the accommodating cavity 6.1. The upper clamping tongue 6.3 and the lower clamping tongue 6.4 are respectively arranged at the upper end and the lower end of the outer side of the accommodating cavity 6.1. During installation, the aluminum alloy base 6 is covered on the bent galvanized steel sheet 3 through the accommodating cavity 6.1, and the stainless steel bolt 9 is inserted into the bolt installation long hole 6.2. It can be understood that the gasket 10 can be further arranged at the bolt mounting slot 6.2, and the relative positions of the aluminum alloy base 6 and the bent galvanized steel sheet 3, namely the positions of the slotted stone 7 in the horizontal direction, can be adjusted through the cooperation of the stainless steel bolts 9 and the gasket 10.
The passivated aluminum single plate 8 can be made of a 1.5mm thick aluminum plate and is arranged on the outer side of the hot dip galvanized steel through-upright 5, so that the waterproof effect is mainly achieved, and the waterproof performance of the hot dip galvanized steel through-upright 5 is ensured. The lower end of the passivated aluminum veneer 8 is fixedly connected with the upper connecting end 6.5 of the aluminum alloy base 6 by a screw; similarly, the upper end of the passivated aluminum veneer 8 is fixedly connected with the lower connecting end 6.6 of the aluminum alloy base 6 by a screw. The aluminum alloy base 6 and the passivation aluminum plate veneer 8 are conveniently glued and sealed through the limiting bulge 6.7 arranged on the inner side of the lower connecting end 6.6. Furthermore, sealant can be smeared at the nail head of the screw, so that the waterproof performance of the passivated aluminum plate veneer 8 is ensured.
Further, the installation part of the gasket at the outer side of the accommodating cavity 6.1 adopts a tooth-shaped structural design, so that the position of the slotted stone 7 in the horizontal direction can be conveniently adjusted. The slotted stone 7 and the aluminum alloy S pendant 1 are integrally hung on the upper clamping tongue 6.3 of the aluminum alloy base 6 through the clamping groove 1.2 of the aluminum alloy S pendant 1; the slotted stone 7 and the aluminum alloy E hanging piece 2 are integrally hung on the clamping tongue 6.4 of the aluminum alloy base 6 through the clamping groove 2.2 of the aluminum alloy E hanging piece 2. In order to prevent noise caused by hard contact between the aluminum alloy S pendant 1 or the aluminum alloy E pendant 2 and the aluminum alloy base 6, an EPDM gasket can be arranged on the contact surface of the aluminum alloy S pendant or the aluminum alloy E pendant 2 and the aluminum alloy base 6.
When in installation and use, the bent galvanized steel sheet 3 is welded with the hot galvanized steel through upright post 5; covering the aluminum alloy base 6 on the bent galvanized steel sheet 3, and after the horizontal position of the aluminum alloy base 6 is adjusted, bolting the aluminum alloy base 6 and the bent galvanized steel sheet 3 through a stainless steel bolt 9 to ensure the accuracy of the position of the aluminum alloy base 6; the passivated aluminum veneer 8 is connected with the aluminum alloy base 6 by nailing, and the nail head is smeared with sealant; the slotted stone 7, the aluminum alloy S hanging piece 1 and the aluminum alloy E hanging piece 2 can be processed and installed in a factory in advance, so that the aluminum alloy S hanging piece 1 and the aluminum alloy E hanging piece are respectively embedded into an upper strip-shaped groove 7.1 and a lower strip-shaped groove 7.1 of the slotted stone 7, and the strip-shaped groove 7.1 can be sealed by punching double-component epoxy resin glue 11; the slotting stone 7, the aluminum alloy S hanging piece 1 and the aluminum alloy E hanging piece 2 are integrally hung on the aluminum alloy base 06, the relative positions of the aluminum alloy S hanging piece 1 and the aluminum alloy base 06 are adjusted through the stainless steel adjusting bolts 4, and then the height position of the slotting stone 7 is adjusted, so that quick and accurate construction and installation of the slotting stone are completed.
In summary, the slotted SE pendant stone curtain wall system disclosed by the utility model is used by matching an aluminum alloy SE hooking component with a full-length aluminum alloy base 6, the aluminum alloy base 6 is fixedly connected with a hot galvanized steel through column 5 through a segmented bent galvanized steel sheet 3, a slotted stone 7 is fixedly connected with the aluminum alloy base 6 through the SE hooking component, the height of the slotted stone 7 is further adjusted by adjusting the relative position of an aluminum alloy S pendant 1 and the aluminum alloy base 6, and the horizontal position of the slotted stone 7 is further adjusted by adjusting the relative position of the aluminum alloy base 6 and the bent galvanized steel sheet 3.
The utility model has the characteristics of ingenious structural design and simple installation process, greatly improves the construction and installation efficiency, reduces the installation cost, and provides a new installation node method for the slotted stone curtain wall system.
Finally, it should be noted that while the above describes embodiments of the utility model in terms of drawings, the present utility model is not limited to the above-described embodiments and fields of application, which are illustrative, instructive, and not limiting. Those skilled in the art, having the benefit of this disclosure, may effect numerous forms of the utility model without departing from the scope of the utility model as claimed.
Claims (10)
1. The slotted SE pendant stone curtain wall system is characterized by comprising an SE hooking component, a bent steel plate, an upright post, a base and slotted stone, wherein the SE hooking component comprises an S pendant and an E pendant, and the base adopts a through length design; the bending steel plates are welded and fixed with the upright posts, the base is arranged between vertically adjacent slotted stones and fixedly connected with the bending steel plates, the lower ends of the slotted stones are fixedly connected with the S hanging pieces, the upper ends of the slotted stones are fixedly connected with the E hanging pieces, and the base is hung on the base through the SE hanging components; the height of the slotted stone is further adjusted by adjusting the relative position of the S hanging piece and the base, and the position of the slotted stone in the horizontal direction is further adjusted by adjusting the relative position of the base and the bent steel plate.
2. The slotted SE pendant stone curtain wall system of claim 1, wherein the slotted stone has elongated grooves at both the upper and lower ends, the S pendant is embedded in the elongated groove at the lower end of the slotted stone, and the E pendant is embedded in the elongated groove at the upper end of the slotted stone; the section of the bending steel plate is of a C-shaped structure, and two ends of the C-shaped structure are fixedly connected with the upright posts respectively; the base is provided with a containing cavity, a bolt mounting long hole, a first clamping tongue and a second clamping tongue which are respectively arranged at the upper end and the lower end of the outer side of the containing cavity, the containing cavity is of a semi-closed structure, and the size of the containing cavity is matched with that of the bent steel plate; the base is covered on the bending steel plate through the accommodating cavity and fixedly connected with the bending steel plate through a bolt arranged in the bolt mounting long hole; the S pendant is provided with a first slot, a first clamping groove and a nut mounting groove, the first slot is spliced with the strip-shaped groove at the lower end of the slotted stone, the S pendant is hung on the first clamping tongue of the base through the first clamping groove, and the depth of the nut mounting groove is larger than the thickness of the built-in nut; the E hanging piece is provided with a second slot and a second clamping groove, the second slot is spliced with the strip-shaped groove at the upper end of the slotted stone, and is hung on a second clamping tongue of the base through the second clamping groove; and the relative position of the S pendant and the base is adjusted through an adjusting bolt arranged at the nut mounting groove, and the relative position of the base and the bending steel plate is adjusted through a bolt arranged in the bolt mounting long hole.
3. The slotted SE pendant stone curtain wall system of claim 2, further comprising a passivated aluminum veneer; the base also comprises a first connecting end and a second connecting end; the passivation aluminum single plate is arranged on the outer side of the upright post, the first connecting end of the base is fixedly connected with the bottom end of the passivation aluminum single plate, and the second connecting end of the base is fixedly connected with the top end of the passivation aluminum single plate.
4. The slotted SE pendant stone curtain wall system of claim 3, wherein the passivated aluminum veneer is respectively in screw connection with the first connecting end and the second connecting end of the base, and the screw connection is provided with sealant.
5. The slotted SE pendant stone curtain wall system of claim 3, wherein said base further comprises a spacing tab located inboard of the second link end.
6. The slotted SE pendant stone curtain wall system of any one of claims 2-5, wherein said bolt mounting slot includes at least two sets symmetrically disposed along the post.
7. The slotted SE pendant stone curtain wall system as recited in any one of claims 2-5, further characterized in that said bolt mounting slot is further provided with a spacer for use therewith, said mounting of said spacer outside said receiving cavity is of a toothed configuration.
8. The slotted SE pendant stone curtain wall system of any one of claims 2-5, wherein the contact surface of the base and the S pendant and the contact surface of the base and the E pendant are both provided with EPDM gaskets.
9. The slotted SE pendant stone curtain wall system as recited in any one of claims 2-5, wherein said elongated recess is internally provided with a bi-component epoxy glue for sealing.
10. The slotted SE pendant stone curtain wall system of any one of claims 2-5, wherein the base and SE hooking component are both aluminum alloy; the upright post is a hot galvanized steel through upright post; the bending steel plate is a bending galvanized steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322454774.9U CN220768554U (en) | 2023-09-11 | 2023-09-11 | Slotting SE pendant stone curtain wall system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322454774.9U CN220768554U (en) | 2023-09-11 | 2023-09-11 | Slotting SE pendant stone curtain wall system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768554U true CN220768554U (en) | 2024-04-12 |
Family
ID=90602638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322454774.9U Active CN220768554U (en) | 2023-09-11 | 2023-09-11 | Slotting SE pendant stone curtain wall system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768554U (en) |
-
2023
- 2023-09-11 CN CN202322454774.9U patent/CN220768554U/en active Active
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