Lifting arm capable of automatically leveling and arch frame machine

The utility model discloses a lifting arm capable of automatically leveling and an arch frame machine, which comprise a rotating arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm, a lifting arm and a lifting arm support, and the rotating arm is provided wi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN MIAOLIN, LIU ZHIHUI, LI KEJUN, WENG TIANHAO, PENG YUN, YU XIANG, TAN DIFU, PENG JUNWEI, YAO XUEJUN, LIU CHANGHONG, ZHANG QINGLIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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