钢筋保护层、楼板厚度测量仪标准块校准规范
Calibration Specification for Standard Block of Reinforced Covermeter and Floorslab Thickness Tester
标准状态
发布于:2022-08-25
实施于:2022-11-25
废止
基本信息
JJF(津)76-2022
现行
2022-08-25
2022-11-25
天津市市场监督管理委员会
Calibration Specification for Standard Block of Reinforced Covermeter and Floorslab Thickness Tester