MODULATORE DELTA A COMPRESSIONE ESPANSIONE SILLABICA PER TELEFONIA,申请号IT19750068143-传众专利搜索

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发明名称	MODULATORE DELTA A COMPRESSIONE ESPANSIONE SILLABICA PER TELEFONIA
摘要
申请公布号	IT1032815(B)	申请公布日期	1979.06.20
申请号	IT19750068143	申请日期	1975.05.05
申请人	WESTERN ELECTRIC CO INC	发明人
分类号	H03M3/02;(IPC1-7):H03K/	主分类号	H03M3/02
代理机构		代理人
主权项
地址

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