System for determining tube characteristics,申请号US19500148999-传众专利搜索

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发明名称	System for determining tube characteristics
摘要
申请公布号	US2571439(A)	申请公布日期	1951.10.16
申请号	US19500148999	申请日期	1950.03.10
申请人	GLASS FLOYD M	发明人	GLASS FLOYD M.
分类号	H01J47/02	主分类号	H01J47/02
代理机构		代理人
主权项
地址

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