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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE FILTROS PARA ACEITE DE ENGRASE
摘要
申请公布号
ES207214(A1)
申请公布日期
1953.06.01
申请号
ES19140002072
申请日期
1953.12.31
申请人
PROYECTOS E INSTALACIONES MARTINEZ Y COMPANIA PROMAR,S.L.
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
主权项
地址
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