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GB/T 6609.27-2023
氧化铝化学分析方法和物理性能测定方法 第27部分:粒度分析 筛分法
Chemical analysis methods and determination of physical performance of alumina—Part 27: Particle size analysis—Sieves method
GB/T 16865-2023
Test pieces and methods for tensile test for wrought aluminium, magnesium and their alloy products
GB/T 33061.4-2023
Plastics—Determination of dynamic mechanical properties—Part 4: Non-resonance method under tensile vibration
GB/T 33061.7-2023
Plastics—Determination of dynamic mechanical properties—Part 7:Non-resonance method under torsional vibration
GB/T 33061.5-2023
Plastics—Determination of dynamic mechanical properties—Part 5: Non-resonance method under flexural vibration
GB/T 33061.6-2023
Plastics—Determination of dynamic mechanical properties—Part 6:Non-resonance method under shear vibration
GB/T 42891-2023
基于公用电信网的宽带客户网络联网技术要求 多入多出（MIMO）的通用介质有线联网
Technical requirements for broadband customer networking based on public telecommunication network—Unified high-speed wireline based home networking with the multiple input/multiple output