Prefabricated box culvert tongue-and-groove mortar concave joint hooking device

The utility model discloses a prefabricated box culvert tongue-and-groove mortar concave joint hooking device which comprises a foldable handle, a hinged support, a nylon round wheel, a scraping piece, a rolling wheel, a telescopic spring rod and a boss, the foldable handle is divided into a front p...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG DANGZHENG, SONG YUANBIAO, YUE YONG, SUN YUEYANG, ZHAO ZHONGYING, FAN JIAOJIE, LI JIAO, DONG HAIJUN, GAO FENG, LI WENDA, ZHANG HAOXUAN, ZHAO DONGSHENG, JIA FEN, LIAN HUI, LYU ZHENGUO, WANG YUNPING, ZHANG ZHONG, LI TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OR VIADUCTS
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