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经营范围
发明名称
Porausmenetelmä
摘要
申请公布号
FI20020884(A0)
申请公布日期
2002.05.08
申请号
FI20020000884
申请日期
2002.05.08
申请人
INCO LIMITED,
发明人
LIDKEA,WAYNE N.;BAIDEN,GREGORY ROBERT
分类号
E21D9/00;(IPC1-7):E21B
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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