Ventilation formula underground pedestrain passage

The utility model discloses a ventilation formula underground pedestrain passage, including the passageway main part, sending exhaust device and power supply unit, the both ends of passageway main part are the access & exit, send exhaust device to link to each other with power supply unit, send...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG XIANGGUO, XIAO MINGZHAO, CHENG HUAQIANG, XU PING, HUANG KUI, SUN JIZHU, KE WENHUI, XIE LEI, CHEN JUN, LU JI, TIAN JIUHUI, WU DAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR MINING SHAFTS TUNNELS
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