Improvements in or relating to selector operating circuits for use in automatic telephone or like systems,申请号GB19420005217-传众专利搜索

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发明名称	Improvements in or relating to selector operating circuits for use in automatic telephone or like systems
摘要
申请公布号	GB556920(A)	申请公布日期	1943.10.27
申请号	GB19420005217	申请日期	1942.04.20
申请人	AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED;GEORGE THOMAS BAKER	发明人
分类号	H04Q1/50;H04Q3/00	主分类号	H04Q1/50
代理机构		代理人
主权项
地址

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