Novel drilling device for water conservancy projects

The utility model discloses a novel drilling device for water conservancy projects, which belongs to the technical field of water conservancy projects and comprises a device main body, an electric hydraulic rod is fixedly connected to the lower surface of the inner wall of the device main body, a mo...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEI YAOPENG, HE BANGZHI
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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