Quick shutoff gas bag of safe type of essence

The utility model relates to a product of adopting working face corner, concretely relates to quick shutoff gas bag of safe type of essence are combined in the pit to quick shutoff colliery, the fire-retardant sponge that includes the dryer sack and be used for filling out charging section of thick...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN XIAOJIAN, XUE ZELONG, CHEN PINGYI, BAI KE, WU WENHAO, YAN XUYAO, ZHANG CONGHUA, LI ZHENGCHUN, GUO BIN, LYU XIAOGANG, WANG YANPING, TIAN YALI, LIU XIANCHEN, CAO LINHU, SONG CHUANXIAO, XUE LIPING
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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