High-service-life three-telescopic stand column for hydraulic support and hydraulic support with high-service-life three-telescopic stand column

The invention relates to the technical field of coal mining supporting equipment, in particular to a long-service-life three-telescopic stand column for a hydraulic support and the hydraulic support comprising the long-service-life three-telescopic stand column. The liquid inlet pipe structural memb...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BAO DONGSHENG, WANG CHAOYUN, CHEN JINGLONG, ZHOU YANFEI, LIU GUOZHU, LIU CHAO, LIN MAOSEN, LIU SHUNBIN, LI JIANZHONG, ZHANG HONGSHENG, SUN JINLAN, LI JINGXI, YU YONGSHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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