Improvements in luminescent substances for electric discharge tubes,申请号GB19500000733-传众专利搜索

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发明名称	Improvements in luminescent substances for electric discharge tubes
摘要
申请公布号	GB676753(A)	申请公布日期	1952.07.30
申请号	GB19500000733	申请日期	1950.01.11
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	C09K11/08	主分类号	C09K11/08
代理机构		代理人
主权项
地址

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