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发明名称
PERFECCIONAMIENTOS EN LAS VALVULAS DE CONTROL Y DE VACIO Y AIRE DE DOBLE EFECTO
摘要
申请公布号
ES296743(A1)
申请公布日期
1964.05.01
申请号
ES19430002967
申请日期
1964.02.22
申请人
MATEU BROTENS, FRANCISCO
发明人
分类号
F16K;(IPC1-7):F16K
主分类号
F16K
代理机构
代理人
主权项
地址
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