Home / Standards / GB/T 24980-2010 GB/T 24980-2010 Abolished Long afterglow phosphors activated by rare earths 稀土长余辉荧光粉 Standard Type GBT ICS 77.120.99 CCS H65 Status 废止 Issue Date 2010-08-09 Implementation 2011-05-01 Responsible Dept 国家标准委 Drafting Unit N/A