Construction and assembly of electron discharge tubes,申请号US19410409589-传众专利搜索

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发明名称	Construction and assembly of electron discharge tubes
摘要
申请公布号	US2407742(A)	申请公布日期	1946.09.17
申请号	US19410409589	申请日期	1941.09.04
申请人	OWEN HARRIES JOHN HENRY	发明人	HARRIES JOHN HENRY OWEN
分类号	H01J19/46;H01J29/82	主分类号	H01J19/46
代理机构		代理人
主权项
地址

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