Measurement-while-drilling wireless transmission drill rod for underground mining and application thereof

The invention provides a measurement-while-drilling wireless transmission drill rod for underground mining and application thereof. The measurement-while-drilling wireless transmission drill rod for underground mining comprises a hollow drill rod and a signal transmission channel, wherein the signal...

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Bibliographische Detailangaben
Hauptverfasser:	WANG WENSHUO, LIU WEIJIAN, WANG QINGHUA, CHANG HAOYUAN, DU YAZHI, DONG SENSEN
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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