Durch ein aus Vacuum-Glimmlichtroehren gebildetes Roehrenfeld erleuchtetes Transparent,申请号DENDATK114288D-传众专利搜索

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发明名称	Durch ein aus Vacuum-Glimmlichtroehren gebildetes Roehrenfeld erleuchtetes Transparent
摘要
申请公布号	DE534295(C)	申请公布日期	1931.09.24
申请号	DENDATK114288D	申请日期
申请人	E.A. KRUEGER & FRIEDEBERG	发明人
分类号	G09F13/26	主分类号	G09F13/26
代理机构		代理人
主权项
地址

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