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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCIËN DE GRUPOS MAGNETICOS A IMAN PERMANENTE, ESPECIALMENTE DESTINADOS A ALTAVOCES Y APLICACIONES ANALOGAS
摘要
申请公布号
ES246116(A1)
申请公布日期
1959.03.16
申请号
ES19160002461
申请日期
1958.12.04
申请人
VILA ROCA, JUAN
发明人
分类号
H01F;(IPC1-7):H01F
主分类号
H01F
代理机构
代理人
主权项
地址
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