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发明名称
PERFECCIONAMIENTOS EN CANALES DESTINADOS ESPECIALMENTE A ALBERGAR A LO MENOS UN CONDUCTO DE ELECTRICIDAD DE GAS O DE AGUA.
摘要
申请公布号
ES335967(A1)
申请公布日期
1968.04.01
申请号
ES19670003359
申请日期
1967.01.23
申请人
SALVISBERG
发明人
分类号
E04F;(IPC1-7):E04F/
主分类号
E04F
代理机构
代理人
主权项
地址
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