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发明名称
UN PROCEDIMIENTO PARA LA OBTENCIoN DE COLECTORES DE COBRE PARA MOTORES O APARATOS ELÉCTRICOS DIVERSOS
摘要
申请公布号
ES238731(A1)
申请公布日期
1958.05.16
申请号
ES19310002387
申请日期
1957.11.23
申请人
ESPIAU GRACIA, JOSE
发明人
分类号
(IPC1-7):C25
主分类号
(IPC1-7):C25
代理机构
代理人
主权项
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