GB 4351-2023 Chinese PDF YY/T 1585-2024 GB/T 45656-2025_Chinese: Specification for the

GB/T 45656-2025_Chinese: Specification for the usability classification of second-hand electronic products (Chinese: 二手电子产品可用程度分级规范)

pH and salinization maps at the scale of 1: 25 000～1: 500 000 (Chinese: 土壤制图 1:25000~1:500000土壤质地、酸碱度、盐渍化图的图式、用色及图例规范)

English versions: GB/T 45139-2024

GB 24550-2024_Chinese: Protection of motor vehicle for pedestrians in the event of a collision (Chinese: 汽车对行人的碰撞保护)

GB/T 45567-2025_Chinese: Information and documentation - Resource description for persons with visual impairments (Chinese: 信息与文献 盲用资源描述)

GB 4351-2023 Chinese PDF YY/T 1585-2024 GB/T 45656-2025_Chinese: Specification for theGB 4351 2023_Chinese: Portable fire extinguishers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4351 2023