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经营范围
发明名称
Reproductor telefónco en alta voz
摘要
申请公布号
ES29033(U)
申请公布日期
1952.01.01
申请号
ES19330000290U
申请日期
1951.12.03
申请人
ESTANY HORTA, ROSA
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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