Improvements in and relating to time-controlled electric switches,申请号GB19320010625-传众专利搜索

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发明名称	Improvements in and relating to time-controlled electric switches
摘要
申请公布号	GB381862(A)	申请公布日期	1932.10.13
申请号	GB19320010625	申请日期	1932.04.13
申请人	JOHN GUNNING	发明人
分类号	G04C23/22	主分类号	G04C23/22
代理机构		代理人
主权项
地址

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