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发明名称
BROENN-LOGGESONDE
摘要
申请公布号
NO842733(A)
申请公布日期
1985.01.07
申请号
NO19840002733
申请日期
1984.07.05
申请人
SCHLUMBERGER LTD,
发明人
OHMER, HERVE,
分类号
E21B17/10;E21B23/04;E21B47/026;G01V3/20;(IPC1-7):G01V/
主分类号
E21B17/10
代理机构
代理人
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