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经营范围
发明名称
Procédé de déplacement du pétrole à partir de formations pétrolifères
摘要
申请公布号
FR1145678(A)
申请公布日期
1957.10.29
申请号
FRD1145678
申请日期
1955.09.15
申请人
N. V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
分类号
E21B43/20
主分类号
E21B43/20
代理机构
代理人
主权项
地址
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