Home / Standards / GB/T 24981.2-2010 GB/T 24981.2-2010 Abolished Test methods of long afterglow phosphors activated by rare earths - Part 2: Determination of relative brightness 稀土长余辉荧光粉试验方法 第2部分:相对亮度的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 废止 Issue Date 2010-08-09 Implementation 2011-05-01 Responsible Dept 国家标准委 Drafting Unit N/A