An improved arrangement in the cathodes of metal vapour rectifiers,申请号GB19320000913-传众专利搜索

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发明名称	An improved arrangement in the cathodes of metal vapour rectifiers
摘要
申请公布号	GB381045(A)	申请公布日期	1932.09.29
申请号	GB19320000913	申请日期	1932.01.12
申请人	ALLMAENNA SVENSKA ELEKTRISKA AKTIEBOLAGET	发明人
分类号	H01J13/14	主分类号	H01J13/14
代理机构		代理人
主权项
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