Semi-automatic drilling machine for mine greening

The semi-automatic drilling machine comprises a base, a first telescopic air cylinder is fixedly installed on the upper end face of the base, a top plate is fixedly installed at the upper end of the first telescopic air cylinder through a piston column, a sliding groove is formed in the upper end fa...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WANG ANFU
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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