Urban pipe gallery leakage expansion joint repairing device

The utility model discloses a repairing device for a leakage expansion joint of an urban pipe gallery. The urban pipe gallery leakage expansion joint repairing device solves the problems that in the prior art, a lantern ring is complex in pipeline repairing operation and short in service life, has t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG NINGNING, WANG SHENGHUA, YANG FAN, GE FENGYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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