Elektronenröhre mit Geschwindigkeitsmodulation.,申请号CHD221441-传众专利搜索

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发明名称	Elektronenröhre mit Geschwindigkeitsmodulation.
摘要
申请公布号	CH221441(A)	申请公布日期	1942.05.31
申请号	CHD221441	申请日期	1941.08.06
申请人	LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG	发明人	HAFTUNG LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRAENKTER
分类号	H01J25/12	主分类号	H01J25/12
代理机构		代理人
主权项
地址

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