GB/T 7256.5-2023 Chinese PDF (GB/T7256.5-2023) GB/T 45059-2024 GB/T 45446-2025_Chinese: Interface specification for

GB/T 45446-2025_Chinese: Interface specification for signal in space of BeiDou navigation satellite system precise point positioning service (Chinese: 北斗卫星导航系统精密单点定位服务空间信号接口规范)

GB/T 5526-2024_Chinese: Animal and vegetable fats and oils - Determination of relative density (Chinese: 动植物油脂 相对密度的测定)

3-2025_Chinese: Quality requirements for oligosaccharides - Part 3: Xylo-oligosaccharides (Chinese: 低聚糖质量要求 第3部分：低聚木糖)

1-2023_Chinese: Test methods for welding consumables - Part 1: Preparation of deposited metal test pieces and specimens for mechanical properties in steel

1-2024_Chinese: Surgical instruments - Materials - Part 1: Metals (Chinese: 外科器械 材料 第1部分： 金属材料)

GB/T 7256.5-2023 Chinese PDF (GB/T7256.5-2023) GB/T 45059-2024 GB/T 45446-2025_Chinese: Interface specification forGB T 7256. 5 2023_Chinese: Lighting fixtures for civil airport Part 5: Aeronautical beacon (Chinese: 5:) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7256. 5 2023