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发明名称
UNA BOCINA ELÉCTRICA PERFECCIONADA, ALIMENTADA CON CORRIENTE ALTERNA
摘要
申请公布号
ES203917(A3)
申请公布日期
1952.07.16
申请号
ES19170002039
申请日期
1952.06.09
申请人
GATELL ABADAL, JUAN
发明人
分类号
(IPC1-7):G10
主分类号
(IPC1-7):G10
代理机构
代理人
主权项
地址
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