Home / Standards / GB/T 24722-2009 GB/T 24722-2009 Abolished Glass beads for road markings 路面标线用玻璃珠 Standard Type GBT ICS 93.080.30;03.220.20 CCS P66 Status 废止 Issue Date 2009-11-30 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit N/A