Home / Standards / GB/T 9966.15-2021 GB/T 9966.15-2021 Active Test methods for natural stone—Part 15: Determination of resistance ageing by salt mist 天然石材试验方法 第15部分:耐盐雾老化强度测定 Standard Type GBT ICS 91.100.15 CCS Q21 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