Verfahren zur Herstellung von Kathoden fuer Entladungsroehren,申请号DE1927V022543D-传众专利搜索

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发明名称	Verfahren zur Herstellung von Kathoden fuer Entladungsroehren
摘要
申请公布号	DE593719(C)	申请公布日期	1934.03.05
申请号	DE1927V022543D	申请日期	1927.05.18
申请人	VEREINIGTE GLUEHLAMPEN;ELECTRICITAETS ACT.-GES.	发明人
分类号	H01J9/04	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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