GB/T 17727-2024 Chinese PDF (GB/T17727-2024) GB/T 7143-2025 GB/T 45161-2024_Chinese: Technical specification of

GB/T 45161-2024_Chinese: Technical specification of safety valves for liquid hydrogen vessels (Chinese: 液氢容器用安全阀技术规范)

English versions: GB/T 44992-2024

English versions: GB/T 5612-2025

GB/T 44947-2024_Chinese: Condition monitoring and diagnostics of machines - Approaches for performance diagnosis (Chinese: 机器状态监测与诊断 性能诊断方法)

GB/T 45521-2025_Chinese: Smart community infrastructures - Guidelines on data exchange and sharing for community infrastructures based on geographic information (Chinese: 智慧城市基础设施 基于地理信息的城市基础设施数据交换与共享指南)

GB/T 17727-2024 Chinese PDF (GB/T17727-2024) GB/T 7143-2025 GB/T 45161-2024_Chinese: Technical specification ofGB T 17727 2024_Chinese: Nonmetal material gaskets for marine flange (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17727 2024