GB/T 1966-2024 Chinese PDF (GB/T1966-2024) GB/T 17001.5-2024 2-2024_Chinese: Cybersecurity technology - Message

2-2024_Chinese: Cybersecurity technology - Message authentication codes(MACs) - Part 2: Mechanisms using a dedicated hash-function (Chinese: 网络安全技术 消息鉴别码 第2部分：采用专门设计的杂凑函数的机制)

English versions: GB 30251-2024

GB/T 45628-2025_Chinese: Artificial intelligence - Knowledge graph - Knowledge exchange protocol (Chinese: 人工智能 知识图谱 知识交换协议)

4-2023_Chinese: Agricultural irrigation equipment - Sprinklers - Part 4: Test methods for durability (Chinese: 农业灌溉设备 喷头 第4部分：耐久性试验方法)

English versions: GB/T 44961-2024

GB/T 1966-2024 Chinese PDF (GB/T1966-2024) GB/T 17001.5-2024 2-2024_Chinese: Cybersecurity technology - MessageGB T 1966 2024_Chinese: Porous ceramics Determination of apparent porosity and bulk density (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1966 2024