Large-dip-angle working face protection device

The utility model discloses a large-dip-angle working face protection device. The device comprises a rotating angle lug, the rotating angle lug can be welded to the front portion or the side face of ahydraulic support top beam, the rotating angle lug is connected with a protection plate in a hinged...

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Bibliographische Detailangaben
Hauptverfasser:	CHENG YANXIA, YANG APAN, GU LIPENG, FANG BING, CAO YANAN, JI ZHIFENG, MA LINJUN, SUN XIAOJIANG, LIU SHAOHUA, FENG SHUANGSHUANG, CAO JINGYUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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