Horizontal drilling device for trenchless repair of pipeline

The utility model discloses a horizontal drill for trenchless repair of pipelines, which relates to the technical field of green energy-saving building repair devices and comprises a support base and a movable bottom plate mounted at the top of the support base. An extruding and pushing assembly use...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAO ZIJIAN, DAI QIUCHENG, CHEN HANYU, WANG ZHAOLYU, LI WAN
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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