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China GB Standards List

 GB/T 40389-2021  
sintered metal materials, excluding hardmetals—Measurement of surface roughness

烧结金属材料(不包括硬质合金) 表面粗糙度的测定
 GB/T 5159-2015  
Metallic powders,excluding powders for hardmetals—Determination of dimensional changes associated with compacting and sintering

金属粉末(不包括硬质合金用粉) 与成型和烧结有联系的尺寸变化的测定方法

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