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发明名称
Dispositivo para la grabación de sonidos y para su repetición y reproducción retardadas en ciclo continuo
摘要
申请公布号
ES82189(Y)
申请公布日期
1961.01.16
申请号
ES19890000821U
申请日期
1960.07.16
申请人
BENAVENT PÉREZ, JOAQUÍN
发明人
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主分类号
代理机构
代理人
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