GB 30254-2024 Chinese PDF GB/T 45398-2025 3-2025_Chinese: Metallic materials - Vickers

3-2025_Chinese: Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks (Chinese: 金属材料 维氏硬度试验 第3部分：标准硬度块的标定)

GB/T 45285-2025_Chinese: Ergonomics of human-system interaction - Evaluation directives for the design of input system (Chinese: 人-系统交互工效学 输入系统设计评估导则)

GB/T 43758

GB 19578-2024_Chinese: Fuel consumption limits for passenger cars (Chinese: 乘用车燃料消耗量限值)

English versions: GB/T 44952-2024

GB 30254-2024 Chinese PDF GB/T 45398-2025 3-2025_Chinese: Metallic materials - VickersGB 30254 2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for cage three phase high voltage induction motor (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 30254 2024