Verfahren zur Herstellung von Oxydkathoden,申请号DE1925S068355D-传众专利搜索

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发明名称	Verfahren zur Herstellung von Oxydkathoden
摘要
申请公布号	DE576612(C)	申请公布日期	1933.05.12
申请号	DE1925S068355D	申请日期	1925.01.09
申请人	SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE AKT.-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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