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发明名称
ROOF SUPPORTING ARRANGEMENT IN THE AREA OF LONGWALL SPLITTING
摘要
申请公布号
PL309129(A1)
申请公布日期
1996.12.23
申请号
PL19950309129
申请日期
1995.06.14
申请人
KOPALNIA WEGLA KAMIENNEGO STASZIC
发明人
JAGOSZ STANISLAW;ZADLO STANISLAW;DYGDALA WOJCIECH;KAMINSKI MAREK
分类号
E21D11/36;(IPC1-7):E21D11/36
主分类号
E21D11/36
代理机构
代理人
主权项
地址
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