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GB/T 20290-2024 Chinese PDF (GB/T20290-2024) YY 0271.2-2024 English versions: GB/T 18156-2023
GB/T 20290-2024 Chinese PDF (GB/T20290-2024) YY 0271.2-2024 English versions: GB/T 18156-2023
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Description
English versions: GB/T 18156-2023
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)
3-2024_Chinese: Optics and photonics - Microlens arrays - Part 3: Test methods for optical properties (Chinese: 光学和光子学 微透镜阵列 第3部分：光学特性测试方法)
GB/T 45422-2025_Chinese: Chemicals - Surface water-sediment Misgurnus anguillicaudatus toxicity test (Chinese: 化学品 地表水系统-沉积物中泥鳅毒性试验)
GB/T 20290-2024 Chinese PDF (GB/T20290-2024) YY 0271.2-2024 English versions: GB/T 18156-2023GB T 20290 2024_Chinese: Electric dishwashers for household use Methods for measuring the performance (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20290 2024
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