GB/T 39141.4-2024 Chinese PDF (GB /T39141.4-2024) GB/T 32825-2024 English versions: GB/T 44883-2024

English versions: GB/T 44883-2024

GB/T 15969

English versions: GB/T 28168-2025

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)

temperature and pressure tests (Chinese: 航空器 机载设备环境和操作条件 湿度、温度和大气压力试验)

GB/T 39141.4-2024 Chinese PDF (GB /T39141.4-2024) GB/T 32825-2024 English versions: GB/T 44883-2024GB T 39141. 4 2024_Chinese: Mineral and sapphire watch glasses Part 4: Anti reflective treatment (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 39141. 4 2024