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发明名称
Trykkgiver
摘要
申请公布号
NO176155(B)
申请公布日期
1994.10.31
申请号
NO19890004272
申请日期
1989.10.26
申请人
SCHLUMBERGER LTD
发明人
PETITJEAN, LUC;VALDOIS, MICHEL
分类号
E21B47/06;G01L9/00;G01L9/04;(IPC1-7):G01L9/04
主分类号
E21B47/06
代理机构
代理人
主权项
地址
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