GB/T 45279.1-2025 Chinese PDF (GB /T45279.1-2025) GB/T 45318-2025 English versions: GB/T 22452-2025

English versions: GB/T 22452-2025

3-2025_Chinese: Information technology - Building information model(BIM) software - Part 3: Model view definition (Chinese: 信息技术 建筑信息模型（BIM）软件 第3部分：模型视图定义)

GB/T 28583-2025_Chinese: Specification of electricity supply service (Chinese: 供电服务规范)

English versions: GB/T 45146-2024

GB/T 45279.1-2025 Chinese PDF (GB /T45279.1-2025) GB/T 45318-2025 English versions: GB/T 22452-2025GB T 45279. 1 2025_Chinese: IPv4 IPv6 network security protection technical specifications Part 1: IP bearer network (Chinese: IPv4 IPv6 1IP) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45279. 1 2025