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发明名称
PERFECCIONAMIENTOS EN LAS BOMBAS DE ENGRANAJES.
摘要
申请公布号
ES246225(A1)
申请公布日期
1959.04.01
申请号
ES19250002462
申请日期
1958.12.26
申请人
ECMA, S.A.
发明人
分类号
F04D;(IPC1-7):F04D
主分类号
F04D
代理机构
代理人
主权项
地址
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