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发明名称
GEAR RACK ESPECIALLY FRO ADVANCING MINING HEADS OF MECHANICAL COAL MINERS
摘要
申请公布号
PL54839(Y1)
申请公布日期
1997.01.31
申请号
PL19930098178U
申请日期
1993.06.28
申请人
PRZEDSIEBIORSTWO PRZEMYSLU METALOWEGO
发明人
TOMASZEWSKI WIESLAW;NIEDLICH HENRYK;REC WIESLAW;BULENDA ANDRZEJ;GROS SYLWESTER
分类号
E21C29/02;(IPC1-7):E21C29/02
主分类号
E21C29/02
代理机构
代理人
主权项
地址
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