Grooving telescopic machanism and grooving injection apparatus in advance for injection apparatus in advance

The utility model provides a grooving telescopic machanism for the injection apparatus in advance, including basic arm that flexible hydro -cylinder and radial from outside to inside set up in, flexible arm and interior flexible arm, the cylinder tail end of flexible hydro -cylinder links to each ot...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUN BING, HUANG KAIPENG, ZHENG DAQIAO, LIAO BIBEI, CHENG YONGLIANG, TIAN ZEYU, LUO JIANLI, LIU FEIXIANG, JIANG HAIHUA, NIU ZHIWEI, SUN CHUNQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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