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发明名称
Unterwasser-Kernbohrer
摘要
申请公布号
DE1237034(B)
申请公布日期
1967.03.23
申请号
DE196400J5105
申请日期
1964.01.11
申请人
INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS
发明人
BERNE JEAN;MOULIN PIERRE;TRUYOL ALBERT
分类号
E21B25/18
主分类号
E21B25/18
代理机构
代理人
主权项
地址
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