GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024

GB/T 45440-2025 Chinese PDF (GB /T45440-2025) GB/T 20717-2024GB 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

GB/T 27995

GB/T 45163

307-2025_Chinese: National food safety standard - Determination of formaldehyde in foods (Chinese: 食品安全国家标准 食品中甲醛的测定)

English versions: GB/T 44941-2024

English versions: GB/T 45065-2024

GB/T 21199-2024_Chinese: Dry toner for laser printer (Chinese: 激光打印机用干式显影剂)

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)

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)

English versions: GB/T 45216-2025

English versions: GB/T 44888-2024

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)

English versions: GB/T 45012-2024