SISTEMA OPTOELECTRONICO PARA EL REGISTRO Y LA REPRODUCCION DEL SONIDO.,申请号ES19730004442-传众专利搜索

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发明名称	SISTEMA OPTOELECTRONICO PARA EL REGISTRO Y LA REPRODUCCION DEL SONIDO.
摘要
申请公布号	ES444273(A1)	申请公布日期	1977.05.01
申请号	ES19730004442	申请日期	1975.12.31
申请人	FARRIOLS CALVO RAFAEL	发明人
分类号	H01J;(IPC1-7):01J/	主分类号	H01J
代理机构		代理人
主权项
地址

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