Vacuum tube mounting,申请号US19430474977-传众专利搜索

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发明名称	Vacuum tube mounting
摘要
申请公布号	US2381905(A)	申请公布日期	1945.08.14
申请号	US19430474977	申请日期	1943.02.06
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	HOFFMAN ROSS B.
分类号	H01J19/34	主分类号	H01J19/34
代理机构		代理人
主权项
地址

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