GB/T 45644-2025 Chinese PDF (GB /T45644-2025) GB/T 45127-2025 GB/T 11842-2025_Chinese: Determination of oxygen

GB/T 11842-2025_Chinese: Determination of oxygen to uranium atomic ratio in uranium dioxide powder and pellets - Thermogravimetric method (Chinese: 二氧化铀粉末和芯块的氧铀原子比测定 热重法)

GB/T 45348-2025_Chinese: Information technology - Real time locating - Technical specification for sound source locating and imaging system (Chinese: 信息技术 实时定位 声源定位成像系统技术规范)

English versions: GB/T 6930-2024

English versions: GB/T 45267-2025

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 45644-2025 Chinese PDF (GB /T45644-2025) GB/T 45127-2025 GB/T 11842-2025_Chinese: Determination of oxygenGB T 45644 2025_Chinese: Test method for resistance against surface and traffic loading of the thermoplastics inspection chamber (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45644 2025