GB/T 44808.2-2024 Chinese PDF (GB /T44808.2-2024) GB/T 31126.2-2024 GB/T 29456-2025_Chinese: Energy management systems

GB/T 29456-2025_Chinese: Energy management systems - Guidance for the implementation

2-2024_Chinese: Public information guidance systems - Setting principles and requirements - Part 2: Airport (Chinese: 公共信息导向系统 设置原则与要求 第2部分：民用机场)

GB/T 20965-2025_Chinese: Control network HBES technical specification - Home and building control system (Chinese: 控制网络HBES技术规范 住宅和楼宇控制系统)

GB/T 41869

GB/T 44925-2024_Chinese: Requirement for portioning and storage of returned lunar sample (Chinese: 月球采样样品分样和保存要求)

GB/T 44808.2-2024 Chinese PDF (GB /T44808.2-2024) GB/T 31126.2-2024 GB/T 29456-2025_Chinese: Energy management systemsGB T 44808. 2 2024_Chinese: Ergonomics Accessible design Part 2: Method for creating colour combinations taking account of age related changes in human colour vision (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44808. 2 2024