Home / Standards / GB/T 14685-2022 GB/T 14685-2022 Active Pebble and crushed stone for construction 建设用卵石、碎石 Standard Type GBT ICS 91.100.15 CCS Q13 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A