Improvements in or relating to dry electric rectifiers,申请号GB19310004582-传众专利搜索

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发明名称	Improvements in or relating to dry electric rectifiers
摘要
申请公布号	GB361737(A)	申请公布日期	1931.11.26
申请号	GB19310004582	申请日期	1931.02.13
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01L21/00;H01L21/16	主分类号	H01L21/00
代理机构		代理人
主权项
地址

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