HIGH FREQUENCY BEAM TUBES,申请号GB19700025004-传众专利搜索

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发明名称	HIGH FREQUENCY BEAM TUBES
摘要
申请公布号	GB1236719(A)	申请公布日期	1971.06.23
申请号	GB19700025004	申请日期	1970.05.22
申请人	VARIAN ASSOCIATES	发明人	MARTIN ELIA LEVIN
分类号	H01J23/15	主分类号	H01J23/15
代理机构		代理人
主权项
地址

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