Elektrische Entladungsroehre, insbesondere zum Aussenden von Lichtstrahlen, die ein schwer verdampfbares Metall enthaelt,申请号DE1932N035611D-传众专利搜索

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发明名称	Elektrische Entladungsroehre, insbesondere zum Aussenden von Lichtstrahlen, die ein schwer verdampfbares Metall enthaelt
摘要
申请公布号	DE602011(C)	申请公布日期	1934.08.29
申请号	DE1932N035611D	申请日期	1932.08.10
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	GROOT WILLEM DE
分类号	H01J5/32;H01J5/40;H01J61/34	主分类号	H01J5/32
代理机构		代理人
主权项
地址

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