Drilling tool rod pulling device

The utility model relates to a drilling tool rod pulling device which comprises a base, a lifting jack, a connecting port, a pipe clamp, a drill rod and a drilling machine hydraulic pressure station. The lifting jack is fixed on the base through the pipe clamp. The top portion of the lifting jack is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HU RONGDING, DANG FANHAI, SONG CHAO, HUANG HONGTAO, YAO FANGQING, GAO FENG
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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