GB/T 13629-2023 Chinese PDF (GB/T13629-2023) GB/T 33588.5-2025 2-2025_Chinese: Railway applications - Automated

2-2025_Chinese: Railway applications - Automated urban guided transport(AUGT) - Safety requirements - Part 2: Hazard analysis at top system level (Chinese: 轨道交通 自动化导向运输（AUGT）安全要求 第2部分：系统级危害分析)

English versions: GB/T 45030-2024

English versions: GB/T 12690

GB/T 45384-2025_Chinese: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Pneumatic gas/air ratio pressure regulator (Chinese: 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 气动式燃气与空气比例调节装置)

GB/T 13629-2023 Chinese PDF (GB/T13629-2023) GB/T 33588.5-2025 2-2025_Chinese: Railway applications - AutomatedGB T 13629 2023_Chinese: Criteria for programmable digital devices in safety systems of nuclear power generating stations (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13629 2023