GB/T 31960.12-2024 Chinese PDF (GB/T31960.12-2024) GB/T 17889.4-2024 English versions: GB/T 45352-2025

English versions: GB/T 45352-2025

measurement

62-2025_Chinese: National food safety standard - Food contact materials and products - Determination of migration and release of N-nitrosamines (Chinese: 食品安全国家标准 食品接触材料及制品 N-亚硝胺类化合物迁移量和释放量的测定)

GB/T 45293-2025_Chinese: Code of practice for breeding female moths inspection of silkworm (Bombyx mori

4-2024_Chinese: Rotating electrical machines - Functional evaluation of insulation systems (Type II) - Procedures for form-wound windings - Electrical endurance qualification (Chinese: 旋转电机 绝缘结构功能性评定（Ⅱ型） 成型绕组试验规程 电气耐久性评定)

GB/T 31960.12-2024 Chinese PDF (GB/T31960.12-2024) GB/T 17889.4-2024 English versions: GB/T 45352-2025GB T 31960. 12 2024_Chinese: Technical specification of power energy efficiency monitoring system Part 12: Construction guidelines (Chinese: 12) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31960. 12 2024