Improvements in metal-vapour or rare-gas arc rectifiers,申请号GB19320021323-传众专利搜索

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发明名称	Improvements in metal-vapour or rare-gas arc rectifiers
摘要
申请公布号	GB407315(A)	申请公布日期	1934.02.28
申请号	GB19320021323	申请日期	1932.07.28
申请人	SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人
分类号	H01J13/04;H01J13/50	主分类号	H01J13/04
代理机构		代理人
主权项
地址

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