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发明名称
Unterwasserkernbohrgeraet
摘要
申请公布号
DE1254559(B)
申请公布日期
1967.11.23
申请号
DE1964J025182
申请日期
1964.01.25
申请人
INSTITUT FRANCAIS DU PETROLE
发明人
DELACOUR JACQUES;PAROLA JEAN;GROLET PIERRE
分类号
E21B7/124;E21B25/00
主分类号
E21B7/124
代理机构
代理人
主权项
地址
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