Main guide rail for tunneling drill jumbo

The main guide rail for the tunneling drill jumbo comprises a framework part and a cover plate part, the whole framework part is in a rectangular frame shape, and a first installation groove, a second installation groove, a third installation groove and a fourth installation groove which are formed...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO YUEHUI, ZHU WEIWU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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