GB/T 19396-2025 Chinese PDF (GB /T19396-2025) GB/T 19277.1-2025 4-2025_Chinese: Design specification for mechanical

4-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 4: Class 3 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第4部分：3级设备)

GB/T 12690

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)

English versions: GB/T 12279

GB 10408-2025_Chinese: Intrusion and hold-up alarm systems - Intrusion detector (Chinese: 入侵和紧急报警系统 入侵探测器)

GB/T 19396-2025 Chinese PDF (GB /T19396-2025) GB/T 19277.1-2025 4-2025_Chinese: Design specification for mechanicalGB T 19396 2025_Chinese: Terbium dysprosium iron magnetostrictive materials (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19396 2025