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发明名称
ANORDNING VID HYDRAULBOM FOER BORRNING AV PARALLELLA, TAETT PLACERASD BORRHAOL
摘要
申请公布号
FI830599(A0)
申请公布日期
1983.02.23
申请号
FI19830000599
申请日期
1983.02.23
申请人
MATHISEN, ROLF
发明人
MATHISEN, ROLF
分类号
E21C;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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