GB/T 45457.1-2025 Chinese PDF (GB /T45457.1-2025) GB/T 44979-2024 English versions: GB/T 31015-2024

English versions: GB/T 31015-2024

2-2024_Chinese: Variable-frequency drive of 1 kV and below - Part 2: Test methods (Chinese: 1 kV及以下通用变频调速设备 第2部分：试验方法)

1-2025_Chinese: Geometrical product specifications (GPS) - X-ray three dimensional size measuring machines - Part 1: Vocabulary (Chinese: 产品几何技术规范（GPS） X射线三维尺寸测量机 第1部分：词汇)

2-2024_Chinese: Assessment of uncertainty in the calibration and use of flow measurement devices - Part 2: Non-linear calibration relationships (Chinese: 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)

GB/T 45400-2025_Chinese: Information technology - Cloud computing - General requirements of HPC in cloud (Chinese: 信息技术 云计算 云超算通用要求)

GB/T 45457.1-2025 Chinese PDF (GB /T45457.1-2025) GB/T 44979-2024 English versions: GB/T 31015-2024GB T 45457. 1 2025_Chinese: Non destructive testing of heavy duty gas turbine blades and vanes Part 1: Radiographic testing (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45457. 1 2025