Home / Standards / GB/T 9966.7-2020 GB/T 9966.7-2020 Active Test methods for natural stone—Part 7:Determination of strength for individual stone anchorages 天然石材试验方法 第7部分:石材挂件组合单元挂装强度试验 Standard Type GBT ICS 91.100.15 CCS Q21 Status 现行 Issue Date 2020-03-06 Implementation 2021-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A