Connecting structure of sandwich wallboards, sandwich wallboards and preparation method of sandwich wallboards
The invention discloses a connecting structure of sandwich wallboards, the sandwich wallboards and a preparation method of the sandwich wallboards. The connecting structure comprises a first-section structural rod, a second-section structural rod, a third-section structural rod, a fourth-section str...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a connecting structure of sandwich wallboards, the sandwich wallboards and a preparation method of the sandwich wallboards. The connecting structure comprises a first-section structural rod, a second-section structural rod, a third-section structural rod, a fourth-section structural rod, a first-section connecting rod, a first hook-shaped structure and a second hook-shaped structure; the first end of the first-section structural rod is connected with the first end of the second-section structural rod to form a first included angle; the first end of the third-section structural rod is connected with the first end of the fourth-section structural rod to form a second included angle; the first-section connecting rod is connected with the second end of the first-section structural rod and the second end of the third-section structural rod; the first hook-shaped structure is arranged at the second end of the second-section structural rod, and the second hook-shaped structure is arranged at |
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