Drilling construction device for building foundation

The invention provides a building foundation drilling construction device, and relates to the technical field of building construction device.The construction device comprises a drill rod and a drill bit, the drill bit comprises a connecting plate which is perpendicular to the axis of the drill rod...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GENG XUE, WANG YUELI, PAN WENHUA, WU GUICHANG, LIU FUMING, LI CHAOLEI, CHEN PU, SU YUE, CHAO HUIJUN, LI DONGLING, ZHOU HONG, XU XIAOQUAN, CAO YUHU, LOU LEI, LI GANG, PAN ZIXIN, CHEN BO
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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