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发明名称
Jordformasjons-inspeksjonsinnretning
摘要
申请公布号
NO315806(B1)
申请公布日期
2003.10.27
申请号
NO19990006103
申请日期
1999.12.10
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
COENEN, JOSEF GUILLAUME CHRISTOFFEL;PESTMAN, BAREND JAN
分类号
E21B4/18;E21B7/00;E21B7/26;E21B17/07;E21B17/22;E21B47/00;E21B49/02;E21B49/06;(IPC1-7):E21B7/00
主分类号
E21B4/18
代理机构
代理人
主权项
地址
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