Home / Standards / GB/T 29820.2-2024 GB/T 29820.2-2024 Active Assessment of uncertainty in the calibration and use of flow measurement devices—Part 2: Non-linear calibration relationships 流量测量装置校准和使用不确定度的评估 第2部分:非线性校准关系 Standard Type GBT ICS 17.120.10 CCS N12 Status 现行 Issue Date 2024-12-31 Implementation 2025-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A