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发明名称
PERFECCIONAMIENTOS EN APARATOS NEUMáTICOS PARA EL TRANSPORTE Y DISTRIBUCIoN O ESPARCIDO DE PRODUCTOS PULVERULENTOS
摘要
申请公布号
ES232745(A2)
申请公布日期
1957.04.16
申请号
ES19450002327
申请日期
1956.12.29
申请人
ECAL, FRANCOIS
发明人
分类号
(IPC1-7):B65
主分类号
(IPC1-7):B65
代理机构
代理人
主权项
地址
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