GB/T 18639-2023 Chinese PDF (GB/T18639-2023) GB/T 45258-2025 2-2024_Chinese: Cybersecurity technology - Entity

2-2024_Chinese: Cybersecurity technology - Entity authentication - Part 2: Mechanisms using authenticated encryption (Chinese: 网络安全技术 实体鉴别 第2部分：采用鉴别式加密的机制)

GB/T 44964-2024_Chinese: Technical specification for performance testing of egg-type chicken (Chinese: 蛋鸡生产性能测定技术规范)

1-2024_Chinese: Mechanical vibration - Measurement and evaluation of machine vibration - Part 1: General guidelines (Chinese: 机械振动 机器振动的测量和评价 第1部分：总则)

GB/T 5844-2025_Chinese: Tyre coupling (Chinese: 轮胎式联轴器)

GB/T 45257-2025_Chinese: Press and publication - Knowledge services - Extraction and marking up of knowledge element (Chinese: 新闻出版 知识服务 知识元提取与标引)

GB/T 18639-2023 Chinese PDF (GB/T18639-2023) GB/T 45258-2025 2-2024_Chinese: Cybersecurity technology - EntityGB T 18639 2023_Chinese: Diagnostic techniques for rabies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18639 2023