Verfahren zur Herstellung von Oxydkathoden,申请号DE1924L059334D-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	DE515095(C)	申请公布日期	1930.12.20
申请号	DE1924L059334D	申请日期	1924.01.25
申请人	HERMANN LOOSLI	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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