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发明名称
Perfectionnement aux pompes électriques
摘要
申请公布号
FR1001653(A)
申请公布日期
1952.02.26
申请号
FRD1001653
申请日期
1946.06.14
申请人
发明人
GRATZMULLER JEAN-LOUIS
分类号
F04B17/04
主分类号
F04B17/04
代理机构
代理人
主权项
地址
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