UN APARATO COMBINADO DE PROYECCION DE UNA PELICULA CINEMATOGRáFICA SONORA Y DE AUDICION RADIOFONICA,申请号ES19150001779-传众专利搜索

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发明名称	UN APARATO COMBINADO DE PROYECCION DE UNA PELICULA CINEMATOGRáFICA SONORA Y DE AUDICION RADIOFONICA
摘要
申请公布号	ES177915(A1)	申请公布日期	1947.06.16
申请号	ES19150001779	申请日期	1947.05.06
申请人	SOCIETE D'ETUDES ET DE REALISATION DE BREVETS CINEMATOGRAPHIQUES	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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