Home / Standards / GB/T 25993-2023 GB/T 25993-2023 Active Permeable paving bricks and permeable paving flags 透水路面砖和透水路面板 Standard Type GBT ICS 91.100.99 CCS Q10 Status 现行 Issue Date 2023-11-27 Implementation 2024-06-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A