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发明名称
Procédé et installation pour le pompage du pétrole brut à grandes profondeurs
摘要
申请公布号
FR1445505(A)
申请公布日期
1966.07.15
申请号
FR19650009912
申请日期
1965.03.19
申请人
MINISTERUL INDUSTRIEI PETROLULUI SI CHIMIEI
发明人
PETRESCU GHEORGHE
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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