Improvements in and relating to time-lag devices for electric switches,申请号GB19370010201-传众专利搜索

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发明名称	Improvements in and relating to time-lag devices for electric switches
摘要
申请公布号	GB493707(A)	申请公布日期	1938.10.10
申请号	GB19370010201	申请日期	1937.04.09
申请人	COLIN MARTIN WILLIAMSON;WILLIAMSON MANUFACTURING COMPANY LIMITED	发明人
分类号	H01H7/12	主分类号	H01H7/12
代理机构		代理人
主权项
地址

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