GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024 GB/T 45399-2025_Chinese: Information technology -

GB/T 45399-2025_Chinese: Information technology - Cloud computing - General technical requirements of hyper converged infrastructure system (Chinese: 信息技术 云计算 超融合系统通用技术要求)

English versions: GB/T 45216-2025

GB/T 45333-2025_Chinese: Diamond-like carbon films - Determination of friction and wear characteristics of diamond-like carbon films by ball-on-disc method (Chinese: 类金刚石薄膜 球盘法测试类金刚石薄膜的摩擦磨损性能)

506-2025_Chinese: Laser display devices - Part 5-6: Measuring methods for optical performance of projection screens (Chinese: 激光显示器件 第5-6部分：投影屏幕光学性能测试方法)

GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024 GB/T 45399-2025_Chinese: Information technology -GB T 45440 2025_Chinese: E commerce housekeeping Ability information description of housekeeping service personnel (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45440 2025