Gas drainage under suction collector for coal mine

The utility model belongs to the technical field of the colliery, a gas drainage under suction collector for coal mine is disclosed, including the discharge, the one end of discharge is led to the turn the corner head and is put branch connection tee junction with taking out, the other end of discha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SUN QINGPENG, DUAN XUELIANG, GAO JUNBO, SUN KAI, HAO JIBAO, LU HONGYOU, ZHANG MIN, LIU ZUNLI, HUANG HANZENG, QI XIRUI, HU QIANGQIANG, WANG FENGJIANG, ZHAO YIMING
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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