Improvements in or relating to an electron tube with fluorescent screen, particularly a tuning indicator tube,申请号GB19500030142-传众专利搜索

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发明名称	Improvements in or relating to an electron tube with fluorescent screen, particularly a tuning indicator tube
摘要
申请公布号	GB709909(A)	申请公布日期	1954.06.02
申请号	GB19500030142	申请日期	1950.12.08
申请人	SIEMENS & HALSKE AKTIENGESELLSCHAFT	发明人
分类号	C09J7/04;H01J31/14	主分类号	C09J7/04
代理机构		代理人
主权项
地址

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