Underground coal mine water control device

The utility model provides a coal mine underground water control device which comprises a base and connecting lugs, the connecting lugs are fixedly connected to the two sides of the base, and a vertical plate is fixedly connected to the top of the base. The coal mine underground water level monitori...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO HONGQI, WANG FUJUN, SHI GENGJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME MINING PHYSICS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS TESTING
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