Cathode-ray tube,申请号US19430481541-传众专利搜索

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发明名称	Cathode-ray tube
摘要
申请公布号	US2494992(A)	申请公布日期	1950.01.17
申请号	US19430481541	申请日期	1943.04.02
申请人	WESTINGHOUSE ELECTRIC CORPORATION	发明人	FERGUSON JOHN P.
分类号	H01J29/34	主分类号	H01J29/34
代理机构		代理人
主权项
地址

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