GB 25972-2024 Chinese PDF GB/T 18299-2024 English versions: GB/T 35560-2025

English versions: GB/T 35560-2025

171-2024_Chinese: Ergonomics of human-system interaction - Part 171: Guidance on software accessible design (Chinese: 人-系统交互工效学 第171部分：软件无障碍设计指南)

GB/T 13963-2025_Chinese: Copying(including multifunction) devices - Terminology (Chinese: 复印（包括多功能）设备 术语)

English versions: GB/T 45551-2025

English versions: GB/T 45415-2025

GB 25972-2024 Chinese PDF GB/T 18299-2024 English versions: GB/T 35560-2025GB 25972 2024_Chinese: Gas fire extinguishing systems and components (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 25972 2024