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发明名称
HYDRAULIC DRILLER
摘要
申请公布号
PL281202(A1)
申请公布日期
1991.03.11
申请号
PL19890281202
申请日期
1989.08.28
申请人
PRZED EKSPLOATACJI WEGLA POLNO
发明人
BILINSKI ALFRED;ROZYCKI ALFRED;ZAKOWSKI BOGDAN;MARCELA EUGENIUSZ;BINKOWSKI TADEUSZ;KABIESZ JOZEF;KOSTYK TADEUSZ;GLADYSZ LECH;KLIMA ADAM;RABSZTYN JANUSZ
分类号
(IPC1-7):E21C5/06
主分类号
(IPC1-7):E21C5/06
代理机构
代理人
主权项
地址
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