Method of protecting the longwall fringe drift during reinforcing the longwall by means of the mechanized supports and starting-up of the longwall
摘要
申请公布号
PL387195(A1)
申请公布日期
2010.08.16
申请号
PL20090387195
申请日期
2009.02.04
申请人
GSG MINING SYSTEMS SPO&LSTROK,KA AKCYJNA
发明人
MATUSZEWSKI JAN;KASPERKIEWICZ WITOLD;KAMI&NACUTE,SKI WOJCIECH;GO&LSTROK,ASZEWSKI ANTONI;GO&LSTROK,ASZEWSKI ARKADIUSZ;STRA&SACUTE, JOZEF RYSZARD;STEG MAREK;WOJNICKI JAN
