GB/T 18281.8-2024 Chinese PDF (GB /T18281.8-2024) GB 5009.256-2025 31-2025_Chinese: Plugs and socket-outlets for

31-2025_Chinese: Plugs and socket-outlets for household and similar purposes - Part 31: Particular requirements for socket-outlets incorporating USB power supply (Chinese: 家用和类似用途插头插座 第31部分：装有USB电源的插座的特殊要求)

8-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 8: Low pressure or atmospheric storage tanks (Chinese: 压水堆核电厂核岛机械设备设计规范 第8部分：低压或常压储罐)

English versions: GB/T 17643-2025

GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

English versions: GB 17741-2025

GB/T 18281.8-2024 Chinese PDF (GB /T18281.8-2024) GB 5009.256-2025 31-2025_Chinese: Plugs and socket-outlets forGB T 18281. 8 2024_Chinese: Sterilization of health care products Biological indicators Part 8: Method for validation of a reduced incubation time for a biological indicator (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18281. 8 2024