IMPROVEMENTS IN OR RELATING TO CIRCUIT ARRANGEMENTS FOR ASSOCIATION WITH TELEPHONE LINES,申请号GB19680029792-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO CIRCUIT ARRANGEMENTS FOR ASSOCIATION WITH TELEPHONE LINES
摘要
申请公布号	GB1220958(A)	申请公布日期	1971.01.27
申请号	GB19680029792	申请日期	1968.06.21
申请人	SOCIETA GENERALE SEMICONDUTTORI S.G.S., S.P.A.	发明人
分类号	H04M3/38;H04Q3/62	主分类号	H04M3/38
代理机构		代理人
主权项
地址

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