Electron discharge device,申请号US19540463655-传众专利搜索

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发明名称	Electron discharge device
摘要
申请公布号	US2856556(A)	申请公布日期	1958.10.14
申请号	US19540463655	申请日期	1954.10.21
申请人	BENDIX AVIATION CORPORATION	发明人	FENTRESS THOMAS D.
分类号	H01J25/24	主分类号	H01J25/24
代理机构		代理人
主权项
地址

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