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发明名称
STANGSTYREANORDNING FOR UTSTYR TIL SKJOETESTANGBORING.
摘要
申请公布号
NO871384(A)
申请公布日期
1987.10.22
申请号
NO19870001384
申请日期
1987.04.02
申请人
TAMPELLA AB, OY
发明人
LAUNIEMI, MARKKU
分类号
E21B19/24;(IPC1-7):E21B/
主分类号
E21B19/24
代理机构
代理人
主权项
地址
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