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6-2025_Chinese: Methods for chemical analysis of lead concentrates - Part 6: Determination of bismuth content (Chinese: 铅精矿化学分析方法 第6部分：铋含量的测定)
English versions: GB/T 17216-2025
7-2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a
GB/T 45298-2025_Chinese: Soil mapping - Specification for the symbols
7-2024_Chinese: Semiconductor devices - Part 5-7: Optoelectronic devices - Photodiodes and phototransistors (Chinese: 半导体器件 第5-7部分：光电子器件 光电二极管和光电晶体管)
GB/T 20878-2024 Chinese PDF (GB/T20878-2024) GB/T 13537-2024 6-2025_Chinese: Methods for chemical analysisGB 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
