GB/T 30420.3-2023 Chinese PDF (GB/T30420.3-2023) GB/T 21295-2024 GB/T 17925-2024_Chinese: Practice for X-ray

GB/T 17925-2024_Chinese: Practice for X-ray digital radioscopic examination of cylinder weld (Chinese: 气瓶对接焊缝X射线数字成像检测)

GB/T 29244-2024_Chinese: Cybersecurity technology - Security specification for office devices (Chinese: 网络安全技术 办公设备安全规范)

GB/T 22251-2024_Chinese: Determination of puerarin in health foods (Chinese: 保健食品中葛根素的测定)

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 30420.3-2023 Chinese PDF (GB/T30420.3-2023) GB/T 21295-2024 GB/T 17925-2024_Chinese: Practice for X-rayGB T 30420. 3 2023_Chinese: Sewing machinery terminology Part 3: Spreading and cutting machines terminology (Chinese: 3: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30420. 3 2023