IMPROVEMENTS IN OR RELATING TO ELECTRICAL CIRCUIT ARRANGEMENTS,申请号GB19690049466-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO ELECTRICAL CIRCUIT ARRANGEMENTS
摘要
申请公布号	GB1278439(A)	申请公布日期	1972.06.21
申请号	GB19690049466	申请日期	1969.10.08
申请人	MARCONI COMPANY LIMITED	发明人
分类号	G06G7/20;G06G7/22	主分类号	G06G7/20
代理机构		代理人
主权项
地址

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