Gluehkathode aus einer metallischen Unterlage mit einem emittierenden UEberzug,申请号DENDATM100326D-传众专利搜索

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发明名称	Gluehkathode aus einer metallischen Unterlage mit einem emittierenden UEberzug
摘要
申请公布号	DE556088(C)	申请公布日期	1932.08.02
申请号	DENDATM100326D	申请日期
申请人	RADIO-ROEHREN-LABORATORIUM DR. NICKEL G.M.B.H.	发明人
分类号	H01J1/14	主分类号	H01J1/14
代理机构		代理人
主权项
地址

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