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发明名称
FREMGANGSMAATE OG APPARAT FOR BESTEMMELSE AV RETNINGS-PARAMETRE I ET BOREHULL.
摘要
申请公布号
NO154439(B)
申请公布日期
1986.06.09
申请号
NO19800002684
申请日期
1980.09.10
申请人
SCHLUMBERGER LIMITED
发明人
RINGOT, JEAN
分类号
E21B47/022;(IPC1-7):E21B47/022
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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