GB/T 20850-2025 Chinese PDF (GB /T20850-2025) GB 45187-2024 GB/T 18216

GB/T 18216

GB/T 15566

English versions: GB 28263-2024

GB/T 17263-2025_Chinese: Self-ballasted lamps for general lighting service - Performance specifications (Chinese: 普通照明用自镇流荧光灯 性能规范)

GB/T 11842-2025_Chinese: Determination of oxygen to uranium atomic ratio in uranium dioxide powder and pellets - Thermogravimetric method (Chinese: 二氧化铀粉末和芯块的氧铀原子比测定 热重法)

GB/T 20850-2025 Chinese PDF (GB /T20850-2025) GB 45187-2024 GB/T 18216GB T 20850 2025_Chinese: Safety of machinery Guidelines for the application of machinery safety standards (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20850 2025