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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)
English versions: GB/T 45206-2025
English versions: GB/T 3286
GB/T 45506-2025_Chinese: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Chinese: 剩余电阻比测量 谐振腔级铌超导体剩余电阻比测量)
GB/T 31838.8-2024 Chinese PDF (GB/T31838.8-2024) GB/T 44931-2024 1-2025_Chinese: Design specification for mechanicalGB T 31838. 8 2024_Chinese: Solid insulating materials Dielectric and resistive properties Part 8: Determination of dielectric properties(AC method) Relative permittivity and dielectric dissipation factor(frequencies 1 MHz~300 MHz) (Chinese: 8AC 1 MHz~300 MHz) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31838. 8 2024
