Mine working surface cooling device

The utility model discloses a mine working surface cooling device, which belongs to the field of mine cooling equipment and comprises an air supply outlet, electric air valve, a light-operated switch, a connecting air hose, a luminous source, branch air hoses and a main air hose. The electric air va...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SUI XIUHUA, MIAO DEJUN, SHAO XIAOLIANG, SHI WENXING, LI XIANTING, WANG BAOLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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