Improvements relating to converting arrangements employing ionic valves devices,申请号GB19390008426-传众专利搜索

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发明名称	Improvements relating to converting arrangements employing ionic valves devices
摘要
申请公布号	GB526448(A)	申请公布日期	1940.09.18
申请号	GB19390008426	申请日期	1939.03.16
申请人	ALLMAENNA SVENSKA ELEKTRISKA AKTIEBOLAGET	发明人
分类号	H02M1/00	主分类号	H02M1/00
代理机构		代理人
主权项
地址

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