Improvements in or relating to alternating current signal receiving circuits,申请号GB19580021275-传众专利搜索

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发明名称	Improvements in or relating to alternating current signal receiving circuits
摘要
申请公布号	GB890797(A)	申请公布日期	1962.03.07
申请号	GB19580021275	申请日期	1958.07.03
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED	发明人	MORGALLA NORBERT WALTER
分类号	H04Q1/448	主分类号	H04Q1/448
代理机构		代理人
主权项
地址

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