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发明名称
Poraniskan ylävaste
摘要
申请公布号
FI6257(U1)
申请公布日期
2004.05.31
申请号
FI20040000005U
申请日期
2004.01.09
申请人
GEOMACHINE OY,
发明人
LUUKKAINEN,MATTI
分类号
E21B6/00;(IPC1-7):E21B6/00
主分类号
E21B6/00
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代理人
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