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经营范围
发明名称
STOETBORRKRONA FOER STENBORRMASKINER.
摘要
申请公布号
FI874076(A0)
申请公布日期
1987.09.18
申请号
FI19870004076
申请日期
1987.09.18
申请人
TREITZ SIEGFRIED
发明人
TREITZ SIEGFRIED
分类号
E21B10/36;E21B;E21B10/00;E21B10/38;E21B10/56;(IPC1-7):E21B/
主分类号
E21B10/36
代理机构
代理人
主权项
地址
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