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发明名称
SYSTEM FOR AUTOMATICALLY MONITORING THE MIGRATION OF MINE CREW IN UNDERGROUND MINE WORKINGS
摘要
申请公布号
PL174685(B1)
申请公布日期
1998.08.31
申请号
PL19940305319
申请日期
1994.10.04
申请人
RYBNICKA SP.WEGLOWA SA KOPALNIA WEGLA KAMIENNEGO "MARCEL"
发明人
WOZNICA CZESLAW;MATERZOK JAN;PAWELEC JERZY;MITKO MARIAN;CHMIELEWSKI ROMAN
分类号
E21F17/18;G07C9/00
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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