Home / Standards / GB/T 39716-2020 GB/T 39716-2020 Active Test method for air-purification performance of photocatalytic materials and products—Removal of nitric oxide 光催化材料及制品空气净化性能测试方法 氮氧化物的去除 Standard Type GBT ICS 81.060.20 CCS Q32 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A