GB/T 15558.1-2023 Chinese PDF (GB/T15558.1-2023) GB/T 45211.7-2025 1-2025_Chinese: Design specification for mechanical

1-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 1: General principle (Chinese: 压水堆核电厂核岛机械设备设计规范 第1部分：总则)

GB/T 45086

GB/T 31968-2025_Chinese: Rare earth composite yttrium zirconium oxide ceramic powder (Chinese: 稀土复合钇锆陶瓷粉)

GB/T 45315-2025_Chinese: Technical requirements and test methods of vehicular information interactive systems based on LTE-V2X direct communication (Chinese: 基于LTE-V2X直连通信的车载信息交互系统技术要求及试验方法)

GB/T 15558.1-2023 Chinese PDF (GB/T15558.1-2023) GB/T 45211.7-2025 1-2025_Chinese: Design specification for mechanicalGB T 15558. 1 2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels Part 1: General (Chinese: PE 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15558. 1 2023