Grid alignment in electron tubes,申请号US19530397131-传众专利搜索

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发明名称	Grid alignment in electron tubes
摘要
申请公布号	US2782338(A)	申请公布日期	1957.02.19
申请号	US19530397131	申请日期	1953.12.09
申请人	SYLVANIA ELECTRIC PRODUCTS INC.	发明人	RHYNE WILLIAM J.
分类号	H01J19/46	主分类号	H01J19/46
代理机构		代理人
主权项
地址

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