GB/T 38216.4-2024 Chinese PDF (GB/T38216.4-2024) GB/T 22250-2025 GB/T 44911-2024_Chinese: Aircraft equipment -

GB/T 44911-2024_Chinese: Aircraft equipment - Environmental and operating conditions for airborne equipment - Humidity

English versions: GB/T 1406

3-2024_Chinese: Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 3: Noise limits (Chinese: 旋转电机噪声测定方法及限值 第3部分：噪声限值)

301-2024_Chinese: Energy management system application program interface (EMS-API) - Part 301: Common information model (CIM) base (Chinese: 能量管理系统应用程序接口（EMS-API） 第301部分：公共信息模型（CIM）基础)

GB/T 21832

GB/T 38216.4-2024 Chinese PDF (GB/T38216.4-2024) GB/T 22250-2025 GB/T 44911-2024_Chinese: Aircraft equipment -GB T 38216. 4 2024_Chinese: Steel slag Determination of total iron content Titanium(III) chloride potassium dichromate titration methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38216. 4 2024