GB/T 28634-2025 Chinese PDF (GB /T28634-2025) GB/T 14404-2024 2-2024_Chinese: Assessment of uncertainty in

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)

1-2025_Chinese: Non-traditional machines - Terminology - Part 1: Basic terminology (Chinese: 特种加工机床 术语 第1部分：基本术语)

English versions: GB 23394-2024

GB/T 25320

English versions: GB/T 2424

GB/T 28634-2025 Chinese PDF (GB /T28634-2025) GB/T 14404-2024 2-2024_Chinese: Assessment of uncertainty inGB T 28634 2025_Chinese: Microbeam analysis Electron probe microanalysis Quantitative point analysis for bulk specimens using wavelength dispersive X ray spectroscopy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28634 2025