Drill rod for constructing inclined pile

The utility model relates to a drill rod for constructing an inclined pile, and relates to the field of building construction equipment. The utility model relates to a screwdriver which comprises a connecting part and a screwdriver head fixedly connected to the connecting part, a connecting hole is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU RENBAO, LIN XIANGBO, WANG FEI, YE ZHONGCHU, YANG SEN, WANG YUZHU, ZHANG XIAOHUA
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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