High-frequency tube structure with frequency control,申请号US19450580526-传众专利搜索

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发明名称	High-frequency tube structure with frequency control
摘要
申请公布号	US2515280(A)	申请公布日期	1950.07.18
申请号	US19450580526	申请日期	1945.03.02
申请人	THE SPERRY CORPORATION	发明人	VARIAN SIGURD F.
分类号	H01J25/12;H01J25/24	主分类号	H01J25/12
代理机构		代理人
主权项
地址

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