Improvements in metal vapour rectifiers,申请号GB19310032030-传众专利搜索

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发明名称	Improvements in metal vapour rectifiers
摘要
申请公布号	GB380296(A)	申请公布日期	1932.09.15
申请号	GB19310032030	申请日期	1931.11.18
申请人	SIEMENS - SCHUCKERTWERKE AKTIENGESELLSCHAFT	发明人
分类号	H01J13/32	主分类号	H01J13/32
代理机构		代理人
主权项
地址

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