Repairing device for tunnel cracks and holes

The utility model provides a repairing device for tunnel cracks and holes, and belongs to the technical field of tunnel maintenance. Comprising a base, a driving mechanism is fixedly connected to the upper end of the base, a cavity is formed in the base, the output end of the driving mechanism penet...

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Bibliographische Detailangaben
Hauptverfasser:	DAI HUALIANG, LI JICHENG, GAO FENG, ZHU XINYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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