ELECTRICAL LUMINESCENT DISPLAY DEVICES,申请号GB19750017562-传众专利搜索

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发明名称	ELECTRICAL LUMINESCENT DISPLAY DEVICES
摘要
申请公布号	GB1471825(A)	申请公布日期	1977.04.27
申请号	GB19750017562	申请日期	1975.04.28
申请人	NORTHERN ELECTRIC CO LTD	发明人
分类号	G09F9/30;F21K2/08;(IPC1-7):G09F9/32	主分类号	G09F9/30
代理机构		代理人
主权项
地址

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