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发明名称
PERFECCIONAMIENTOS EN LAS BOMBAS DE ENGRANAJES
摘要
申请公布号
ES233354(A1)
申请公布日期
1957.06.01
申请号
ES19540002333
申请日期
1957.01.23
申请人
ARALL FORTUNY, JUAN
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
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