CIRCUITO PER UN TELEFONO A DIALOGO LIBERO,申请号IT19770012744-传众专利搜索

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发明名称	CIRCUITO PER UN TELEFONO A DIALOGO LIBERO
摘要
申请公布号	IT1082614(B)	申请公布日期	1985.05.21
申请号	IT19770012744	申请日期	1977.08.23
申请人	DASY INTER SA	发明人
分类号	H04M1/60;H04M1/62;H04M9/10;(IPC1-7):H04M/	主分类号	H04M1/60
代理机构		代理人
主权项
地址

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