Sealing device for water inrush grouting hole sealing during subway construction

The utility model discloses a sealing device for water inrush grouting hole sealing during subway construction, which relates to the technical field of subway engineering and comprises a device main body, a support rod is movably mounted on the side surface of the device main body, an arc plate is f...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN GUANGHAI, HAO CHUNNAN, LIU CHAOMIN, YE ZHAOFANG, MENG XIANGGUANG
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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