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发明名称
PROCEDIMIENTO Y DISPOSITIVO APLICABLE AL FUNCIONAMIENTO DE INSTALACIONES ASPIRADORAS
摘要
申请公布号
ES230459(A1)
申请公布日期
1957.03.01
申请号
ES19590002304
申请日期
1956.08.18
申请人
SULZER FRCRES, SOCIETE ANONYME
发明人
分类号
(IPC1-7):A47
主分类号
(IPC1-7):A47
代理机构
代理人
主权项
地址
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