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发明名称
Fremgangsmaate for analyse av borestrengvibrasjon
摘要
申请公布号
NO940208(D0)
申请公布日期
1994.01.20
申请号
NO19940000208
申请日期
1994.01.20
申请人
BAKER HUGHES INCORPORATED
发明人
MACPHERSON JOHN DUNCAN
分类号
E21B47/00;(IPC1-7):E21B
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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