GB/T 26863-2022 Chinese PDF (GB/T26863-2022) GB 30720-2025 English versions: GB/T 13930-2024

English versions: GB/T 13930-2024

GB/T 7143-2025_Chinese: Methods for chemical analysis of silica sand for foundry (Chinese: 铸造用硅砂化学分析方法)

GB 15930-2024_Chinese: Fire dampers for building venting and smoke-venting system (Chinese: 建筑通风和排烟系统用防火阀门)

English versions: GB/T 35601-2024

English versions: GB/T 42968

GB/T 26863-2022 Chinese PDF (GB/T26863-2022) GB 30720-2025 English versions: GB/T 13930-2024GB T 26863 2022_Chinese: Terminology of monitoring and control system of thermal power station (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26863 2022