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经营范围
发明名称
SYSTEM FOR DETEKTERING AV EN TRYKKBOELGE
摘要
申请公布号
NO167058(C)
申请公布日期
1991.09.25
申请号
NO19830002538
申请日期
1983.07.12
申请人
SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)
发明人
BERGE, CHRISTIAN;CORDIER, BERNARD
分类号
E21B21/08;E21B47/10;E21B49/00;G01N29/024;(IPC1-7):E21B47/10
主分类号
E21B21/08
代理机构
代理人
主权项
地址
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