Foldable concrete prefabricated part steel bar preformed hole forming die

The utility model relates to a foldable concrete prefabricated part steel bar preformed hole forming die which comprises three long-strip-shaped arc-shaped steel plates, the radian of each arc-shaped steel plate is smaller than 180 degrees, the two ends of the two sides of the inner arc face of each...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG CHUNJIAN, LU GUANNAN, GAN SHUKUAN, HE LU, ZHANG HUAWU, LI SHUAI, WU RUIHUAN, ZENG XIANGJI, SU JINTANG, LI YOUQING, SUN SHIYING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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