GB/T 42513.6-2024 Chinese PDF (GB/T42513.6-2024) GB/T 21267-2024 GB/T 21638-2025_Chinese: Microbeam analysis -

GB/T 21638-2025_Chinese: Microbeam analysis - Guidelines for electron beam microanalysis of defects in steel materials (Chinese: 微束分析 钢铁材料缺陷电子束显微分析方法通则)

GB/T 25139-2025_Chinese: Ceramic foam filter for foundry (Chinese: 铸造用泡沫陶瓷过滤网)

GB/T 33761-2024_Chinese: General principles for green product assessment (Chinese: 绿色产品评价通则)

English versions: GB/T 19267

English versions: GB/T 23101

GB/T 42513.6-2024 Chinese PDF (GB/T42513.6-2024) GB/T 21267-2024 GB/T 21638-2025_Chinese: Microbeam analysis -GB T 42513. 6 2024_Chinese: Methods for chemical analysis of nickel alloys Part 6: Determination of molybdenum content Inductively coupled plasma atomic emission spectrometric method (Chinese: 6 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42513. 6 2024