GB/T 31406-2024 Chinese PDF (GB/T31406-2024) GB/T 3163-2024 GB/T 20244-2025_Chinese: Fiber optic elements

GB/T 20244-2025_Chinese: Fiber optic elements for image transmission (Chinese: 光学纤维传像元件)

GB/T 13284-2025_Chinese: Design criteria of safety systems in nuclear power plants (Chinese: 核电厂安全系统设计准则)

English versions: GB/T 45302-2025

GB/T 17664-2024_Chinese: Charcoal (Chinese: 木炭)

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 31406-2024 Chinese PDF (GB/T31406-2024) GB/T 3163-2024 GB/T 20244-2025_Chinese: Fiber optic elementsGB T 31406 2024_Chinese: Quality requirements for dried meat slice (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31406 2024