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发明名称
FREMGANGSMAATE OG ANORDNING FOR HAANDTERING AV BOREROER.
摘要
申请公布号
NO864272(D0)
申请公布日期
1986.10.24
申请号
NO19860004272
申请日期
1986.10.24
申请人
ASEA-ATOM, AB
发明人
TENGHAMN, RUNE
分类号
E21B;E21B15/00;E21B19/08;E21B19/18;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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