Hydraulic tong and hydraulic equipment

The utility model provides a hydraulic tong and hydraulic equipment belongs to petroleum equipment technical field. Hydraulic tong includes hydraulic tong body and make -up device, and the hydraulic tong body is connected with the back -up tong including main pincers and back -up tong, main pincers,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	JIAO WEIGANG, ZHUO WENFENG, SUN HAIZHI
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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