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发明名称
Dispositif de pompage pour les puits
摘要
申请公布号
FR1221024(A)
申请公布日期
1960.05.30
申请号
FR19590784467
申请日期
1959.01.20
申请人
AMERICAN IRON & MACHINE WORKS COMPANY, INC.
发明人
分类号
E21B43/10;F04B47/02
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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