GB/T 45434.3-2025 Chinese PDF (GB /T45434.3-2025) GB/T 44891-2024

GB/T 45434.3-2025 Chinese PDF (GB /T45434.3-2025) GB/T 44891-2024GB T 45434. 3 2025_Chinese: China standard time Part 3: Bulletin (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45434. 3 2025

2-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 2: Binoculars (Chinese: 光学和光子学 望远镜系统试验方法 第2部分：双筒望远镜)

GB/T 3405-2025_Chinese: Petroleum benzene (Chinese: 石油苯)

English versions: GB/T 26732-2025

GB/T 19405

1-2025_Chinese: Information technology - Data centre facilities and infrastructures - Part 1: General concepts (Chinese: 信息技术 数据中心设备和基础设施 第1部分：通用概念)

GB/T 45348-2025_Chinese: Information technology - Real time locating - Technical specification for sound source locating and imaging system (Chinese: 信息技术 实时定位 声源定位成像系统技术规范)

English versions: GB/T 26232-2025

English versions: GB 19053-2024

English versions: GB/T 45374-2025

English versions: GB/T 45471-2025

English versions: GB/T 45531-2025

English versions: GB 45188-2024