China Phosphors—Part 4-1: GB Standards Search Result

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	GB/T 24981.1-2020 Test methods of rare earth long afterglow phosphors—Part 1: Determination of emission dominantpeak and chromaticity coordinates 稀土长余辉荧光粉试验方法第1部分：发射主峰和色品坐标的测定 - 英文版
	GB/T 5838.41-2015 Phosphors—Part 4-1: Phosphors for black-white picture tubes 荧光粉第4-1部分：黑白显示管用荧光粉 - 英文版

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