Television transmitting tube,申请号US19370171021-传众专利搜索

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发明名称	Television transmitting tube
摘要
申请公布号	US2195489(A)	申请公布日期	1940.04.02
申请号	US19370171021	申请日期	1937.10.26
申请人	RADIO CORPORATION OF AMERICA	发明人	IAMS HARLEY A.
分类号	H01J29/43;H01J31/28;H01J31/30	主分类号	H01J29/43
代理机构		代理人
主权项
地址

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