Improvements in or relating to electrode structures for electron-discharge tubes and methods for their manufacture,申请号GB19480007364-传众专利搜索

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发明名称	Improvements in or relating to electrode structures for electron-discharge tubes and methods for their manufacture
摘要
申请公布号	GB656894(A)	申请公布日期	1951.09.05
申请号	GB19480007364	申请日期	1948.03.10
申请人	THE SPERRY CORPORATION	发明人
分类号	H01J19/00	主分类号	H01J19/00
代理机构		代理人
主权项
地址

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