GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 GB/T 45426-2025_Chinese: Security and resilience

GB/T 45426-2025_Chinese: Security and resilience - Emergency management - Guidelines for the use of social media in emergencies (Chinese: 安全与韧性 应急管理 社交媒体应对突发事件的应用指南)

GB/T 45173-2024_Chinese: Classification and terminology of cups and kettles (Chinese: 杯壶类产品分类及术语)

2-2025_Chinese: Assembled spectacles - Part 2: Power-variation prescription assembled spectacles (Chinese: 配装眼镜 第2部分：渐变焦定配眼镜)

GB/T 10159-2023_Chinese: Piano (Chinese: 钢琴)

GB/T 45458-2025_Chinese: Method for determination of trace elements in attapulgite (Chinese: 凹凸棒石微量元素测定方法)

GB/T 21413.3-2023 Chinese PDF (GB/T21413.3-2023) GB 28008-2024 GB/T 45426-2025_Chinese: Security and resilienceGB T 21413. 3 2023_Chinese: Railway applications Electric equipment for rolling stock Part 3: Electrotechnical components Rules for DC circuit breakers (Chinese: 3 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21413. 3 2023