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发明名称
Dispositif perfectionné de forage, notamment pour forages sous-marins
摘要
申请公布号
FR1422303(A)
申请公布日期
1965.12.24
申请号
FR19640994616
申请日期
1964.11.12
申请人
TECHNIQUES LOUIS MENARD
发明人
MENARD LOUIS
分类号
B23B47/02;E02D11/00;E21B7/124
主分类号
B23B47/02
代理机构
代理人
主权项
地址
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