GB/T 29292-2024 Chinese PDF (GB /T29292-2024) GB 10770-2025 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)

1-2025_Chinese: Uncut finished spectacle lenses - Part 1: Single-vision and multifocal (Chinese: 眼镜镜片 第1部分：单焦和多焦)

English versions: GB/T 31790-2025

GB/T 21551

1-2024_Chinese: Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 1:GEneral principles (Chinese: 塑料 使用毛细管黏度计测定聚合物稀溶液黏度 第1部分：通则)

GB/T 29292-2024 Chinese PDF (GB /T29292-2024) GB 10770-2025 4-2025_Chinese: Design specification for mechanicalGB T 29292 2024_Chinese: Footwear Guidelines for the management and control of key chemicals in footwear and footwear components (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29292 2024