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发明名称
UN APARATO GRABADOR Y REPRODUCTOR DE SONIDO Y PORTABOBINA PARA PEQUENOS PROYECTORES CINEMATOGRAFICOS
摘要
申请公布号
ES235146(A3)
申请公布日期
1957.10.01
申请号
ES19460002351
申请日期
1957.04.20
申请人
INDUSTRIAS LAIK, S.A.
发明人
分类号
G03B;(IPC1-7):G03B
主分类号
G03B
代理机构
代理人
主权项
地址
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