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发明名称
DISPOSITIVO ELECTROMECANICO ADAPTADOR SONORO POR PISTA MAGNETOFËNICA PARA PROYECTORES DE CINE DE 8, 9,5 Y 16 MM
摘要
申请公布号
ES235754(A1)
申请公布日期
1957.12.01
申请号
ES19540002357
申请日期
1957.05.28
申请人
SELVA CARDONA, MIGUEL DE LA
发明人
分类号
(IPC1-7):G03
主分类号
(IPC1-7):G03
代理机构
代理人
主权项
地址
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