Entladungsroehre mit Edelgasfuellung,申请号DE1921N020568D-传众专利搜索

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发明名称	Entladungsroehre mit Edelgasfuellung
摘要
申请公布号	DE497793(C)	申请公布日期	1930.05.15
申请号	DE1921N020568D	申请日期	1921.12.01
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人	HOLST GILLES;OOSTERHUIS EKKO;BRUIJNES JOHANNES
分类号	H01J61/54	主分类号	H01J61/54
代理机构		代理人
主权项
地址

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