GB/T 18910.21-2024 Chinese PDF (GB/T18910.21-2024) GB/T 10932-2024 2-2024_Chinese: Cybersecurity technology - Hash-functions

2-2024_Chinese: Cybersecurity technology - Hash-functions - Part 2: Hash-functions using a block cipher (Chinese: 网络安全技术 杂凑函数 第2部分：采用分组密码的杂凑函数)

4-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 4: Valves (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第4部分：阀门)

GB/T 45324-2025_Chinese: Determination of powder resistivity for cathode materials of lithium ion battery (Chinese: 锂离子电池正极材料粉末电阻率的测定)

English versions: GB/T 45267-2025

GB/T 45486-2025_Chinese: Ships and marine technology - Ballast water management systems (BWMS) - Computational physical modelling and calculations on scaling of UV reactors (Chinese: 船舶与海上技术 压载水管理系统（BWMS） 紫外反应器的比例缩放数值模拟与计算)

GB/T 18910.21-2024 Chinese PDF (GB/T18910.21-2024) GB/T 10932-2024 2-2024_Chinese: Cybersecurity technology - Hash-functionsGB T 18910. 21 2024_Chinese: Liquid crystal display devices Part 2 1: Passive matrix monochrome LCD modules Blank detail specification (Chinese: 2 1 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18910. 21 2024