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发明名称
MEJORAS INTRODUCIDAS EN LAS ESCALAS REBATIBLES PARA RECEPTORES DE T.S.H Y APARATOS ANALOGOS
摘要
申请公布号
ES180178(A1)
申请公布日期
1947.12.01
申请号
ES19780001801
申请日期
1947.10.18
申请人
CN.V. PHILIP'S GLOEILAMPENFABRIEKEN
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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