SISTEMA PER TRASFERIRE SEGNALI SONORI A LARGA BANDA,申请号IT19740024927-传众专利搜索

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发明名称	SISTEMA PER TRASFERIRE SEGNALI SONORI A LARGA BANDA
摘要
申请公布号	IT1015758(B)	申请公布日期	1977.05.20
申请号	IT19740024927	申请日期	1974.07.09
申请人	ISEC	发明人
分类号	G03B31/02;G11B15/34;(IPC1-7):G03B/	主分类号	G03B31/02
代理机构		代理人
主权项
地址

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