Coal mine operation detection device

The utility model relates to the technical field of coal mine detection devices, in particular to a coal mine operation detection device which comprises a detection device shell, a hole digging drill bit and a sampling drill bit. One side of the first telescopic transmission shaft is fixedly connect...

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Bibliographische Detailangaben
1. Verfasser:	WU XIANLAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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