GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 4447-2025 GB/T 44837-2024_Chinese: Green product assessment

GB/T 44837-2024_Chinese: Green product assessment - Stationery (Chinese: 绿色产品评价 文具)

GB/T 45416-2025_Chinese: Collision vehicle investigation and safety defect analysis guide (Chinese: 碰撞事故车辆调查与安全缺陷分析指南)

English versions: GB/T 45415-2025

English versions: GB/T 14713-2023

English versions: GBZ27021

GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 4447-2025 GB/T 44837-2024_Chinese: Green product assessmentGB T 21461. 1 2023_Chinese: Plastics Ultra high molecular weight polyethylene (PE UHMW) moulding and extrusion materials Part 1: Designation system and basis for specifications (Chinese: PE UHMW 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21461. 1 2023