Calibrating device for mine exploration drilling machine

The utility model belongs to the technical field of calibration for mine exploration drilling machines, and particularly discloses a calibration device for a mine exploration drilling machine, which is characterized in that a connecting plate is arranged on the outer side of a drilling machine body,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU CHAOJIAN, ZHANG WEI
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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