GB 20031-2024 Chinese PDF GB 15563-2024 GB/T 45501-2025_Chinese: Industrial robots -

GB/T 45501-2025_Chinese: Industrial robots - Three-dimensional vision-guided system - General technical requirements (Chinese: 工业机器人 三维视觉引导系统 通用技术要求)

2-2025_Chinese: Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (Chinese: 金属材料 维氏硬度试验 第2部分：硬度计的检验与校准)

GB/T 45252-2025_Chinese: Securities trading exchange protocol (Chinese: 证券交易数据交换协议)

GB/T 45169-2025_Chinese: Additive manufacturing - Residual stress of metal parts - Method of sound beam control (Chinese: 增材制造 金属制件残余应力 声束控制法)

English versions: GB/T 28906-2025

GB 20031-2024 Chinese PDF GB 15563-2024 GB/T 45501-2025_Chinese: Industrial robots -GB 20031 2024_Chinese: Foam fire extinguishing equipment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20031 2024