Production device of concrete arc folding beam

The utility model discloses a production device of a concrete arc folding beam, which comprises a shell, the shell is provided with a cavity, and the section of the cavity is arc-shaped; a cavity is formed in the shell, a first screw rod and a second screw rod are arranged on the surface of the shel...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LUO YANQING, CHEN CHAO'EN, XIANG YULONG, ZHENG HONGTU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING MATERIALS FIXED CONSTRUCTIONS PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER STRUCTURAL ELEMENTS TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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