Tunnel leakage maintenance device

The utility model discloses a tunnel leakage maintenance device which comprises a handle, a machine body and a plurality of material injection assemblies, the handle is fixedly installed at the bottom of the machine body, and the material injection assemblies are evenly arranged at the top of the ma...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MAKI HITOSHI, CHEN YAN, ZHAO JIANXIONG, GUO HUIFENG, WANG YU, DANG YAN, LI YAXIN, WU HAOJIE, MI SHIZHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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