GB/T 12412-2024 Chinese PDF (GB /T12412-2024) GB/T 10810.3-2025 3-2025_Chinese: Design specification for mechanical

3-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 3: Class 2 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第3部分：2级设备)

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

GB/T 17821-2025_Chinese: Rubber latex - Determination of density between 5 ℃ and 40 ℃ (Chinese: 胶乳 5℃至40℃密度的测定)

4-2025_Chinese: Uncut finished spectacle lenses - Part 4: Anti-reflective coatings test methods (Chinese: 眼镜镜片 第4部分：减反射膜试验方法)

GB/T 12412-2024 Chinese PDF (GB /T12412-2024) GB/T 10810.3-2025 3-2025_Chinese: Design specification for mechanicalGB T 12412 2024_Chinese: Yak (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12412 2024