Fixing frame of pile foundation drilling machine

The fixing frame of the pile foundation drilling machine comprises a telescopic frame (11) and a frame body (8), at least two parallel telescopic frames (11) are installed on the frame body (8), and each telescopic frame (11) comprises a fixing bolt (1), a mounted bearing (2), a hollow shaft (3), a...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG JUNZHONG, CHENG GUOHUA, PAN YUNDONG
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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