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发明名称
UN APARATO PARA GRABAR EL SONIDO EN HILO O CINTA DE ACERO O ALEACIoN MAGNÉTICA
摘要
申请公布号
ES193753(A2)
申请公布日期
1951.09.16
申请号
ES19530001937
申请日期
1950.07.03
申请人
VAN DEN EYNDE GOMEZ, ALBERTO
发明人
分类号
(IPC1-7):G11
主分类号
(IPC1-7):G11
代理机构
代理人
主权项
地址
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