Improvements in or relating to high frequency electron discharge tube structures,申请号GB19420009106-传众专利搜索

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发明名称	Improvements in or relating to high frequency electron discharge tube structures
摘要
申请公布号	GB602164(A)	申请公布日期	1948.05.21
申请号	GB19420009106	申请日期	1942.07.01
申请人	SPERRY GYROSCOPE COMPANY INC.	发明人
分类号	H01J25/12	主分类号	H01J25/12
代理机构		代理人
主权项
地址

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