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发明名称
APPARATUS FOR TAKING AWAY FILLING MATERIAL CARRIER WATER FROM UNDERGROUND MINE DOG HEADINGS
摘要
申请公布号
PL53711(Y1)
申请公布日期
1996.01.31
申请号
PL19920095319U
申请日期
1992.06.03
申请人
RYBNICKA SP. WEGLOWA SA KOPALNIA WEGLA KAMIENNEGO "MARCEL"
发明人
PAWELEC JERZY;BLATON EUGENIUSZ;BEDNORZ JANUSZ;OSTACHOWSKI TADEUSZ
分类号
E21F16/02;(IPC1-7):E21F16/02
主分类号
E21F16/02
代理机构
代理人
主权项
地址
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