GB/T 43274-2023 Chinese PDF (GB/T43274-2023) GB/T 27665-2024 5-2024_Chinese: Information technology - High

5-2024_Chinese: Information technology - High efficiency multimedia coding - Part 5: Reference software (Chinese: 信息技术 高效多媒体编码 第5部分：参考软件)

English versions: GB/T 45230-2025

power supply units and combinations thereof - Part 14: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第14部分：一般用途自耦变压器和内装自耦变压器的电源装置的特殊要求和试验)

English versions: GB/T 20392-2023

English versions: GB/T 22076-2024

GB/T 43274-2023 Chinese PDF (GB/T43274-2023) GB/T 27665-2024 5-2024_Chinese: Information technology - HighGB T 43274 2023_Chinese: Mineral soil amendments Determination of total calcium and magnesium content (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43274 2023