GB/T 20725-2025 Chinese PDF (GB /T20725-2025) GB/T 18281.8-2024 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 19701

English versions: GB/T 17263-2025

2-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 2: Particular requirements for material (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第2部分：抗菌材料的特殊要求)

GB/T 18910

GB/T 20725-2025 Chinese PDF (GB /T20725-2025) GB/T 18281.8-2024 GB/T 17925-2024_Chinese: Practice for X-rayGB T 20725 2025_Chinese: Microbeam analysis Electron probe microanalysis Guidelines for qualitative point analysis by wavelength dispersive X ray spectrometry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20725 2025