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发明名称
PERFECCIONAMIENTOS INTRODUCIDOS EN ALTAVOCES ELECTRODINAMI-COS.
摘要
申请公布号
ES350725(A1)
申请公布日期
1969.05.16
申请号
ES19250003507
申请日期
1968.02.10
申请人
BARGUES MAYOLAS
发明人
分类号
H04R;(IPC1-7):04R/
主分类号
H04R
代理机构
代理人
主权项
地址
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