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GB/T 45468-2025_Chinese: Microbeam analysis - FIB-SEM imaging and analysis method for 3D micro-pore structure of rock sample (Chinese: 微束分析 岩石微孔隙聚焦离子束-扫描电镜三维成像分析方法)
GB/T 45298-2025_Chinese: Soil mapping - Specification for the symbols
English versions: GB/T 45656-2025
English versions: GB/T 13465
English versions: GB/T 36217-2025
GB/T 20878-2024 Chinese PDF (GB/T20878-2024) GB/T 13537-2024 GB/T 45468-2025_Chinese: Microbeam analysis -GB T 20878 2024_Chinese: Stainless steels Designation and chemical composition (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20878 2024
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