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发明名称
SISTEMA DE CIRCUITO AMPLIFICADOR PARA LA PRODUCCION FONOGRAFICA
摘要
申请公布号
ES310224(A1)
申请公布日期
1965.08.16
申请号
ES19240003102
申请日期
1965.03.06
申请人
FLORES BARBA, VICENTE
发明人
分类号
H04R;(IPC1-7):H04R
主分类号
H04R
代理机构
代理人
主权项
地址
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