Improvements in and relating to electric circuit controlling devices,申请号GB19330002187-传众专利搜索

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发明名称	Improvements in and relating to electric circuit controlling devices
摘要
申请公布号	GB418647(A)	申请公布日期	1934.10.29
申请号	GB19330002187	申请日期	1933.01.23
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H01H71/62	主分类号	H01H71/62
代理机构		代理人
主权项
地址

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