Improvements in electric current converting arrangements employing high vacuum valves,申请号GB19410008475-传众专利搜索

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发明名称	Improvements in electric current converting arrangements employing high vacuum valves
摘要
申请公布号	GB548748(A)	申请公布日期	1942.10.22
申请号	GB19410008475	申请日期	1941.07.04
申请人	THE BRITISH THOMSON-HOUSTON COMPANY LIMITED	发明人
分类号	H02M7/15	主分类号	H02M7/15
代理机构		代理人
主权项
地址

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