Home / Standards / GB/T 39952-2021 GB/T 39952-2021 Active Titanium dioxide-based dispersion for photocatalysis 二氧化钛基光催化分散液 Standard Type GBT ICS 87.040 CCS G52 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A