Improved method of preparing a luminescent mixture,申请号GB19400009702-传众专利搜索

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发明名称	Improved method of preparing a luminescent mixture
摘要
申请公布号	GB544224(A)	申请公布日期	1942.04.02
申请号	GB19400009702	申请日期	1940.06.03
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	C09K11/59	主分类号	C09K11/59
代理机构		代理人
主权项
地址

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