Improvements in cathode ray tubes,申请号GB19410010847-传众专利搜索

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发明名称	Improvements in cathode ray tubes
摘要
申请公布号	GB551665(A)	申请公布日期	1943.03.04
申请号	GB19410010847	申请日期	1941.08.25
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	H01J31/34	主分类号	H01J31/34
代理机构		代理人
主权项
地址

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