Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 4340.3-2012 |
Metallic materials - Vickers hardness test - Part 3:Calibration of reference blocks 金属材料 维氏硬度试验 第3部分:标准硬度块的标定 |
China National Standards 3:Calibration |
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GB/T 230.3-2012 |
Metallic materials - Rockwell hardness test - Part 3:Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T) 金属材料 洛氏硬度试验 第3部分:标准硬度块(A、B、C、D、E、F、G、H、K、N、T标尺)的标定 |
China National Standards 3:Calibration |
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GB/T 18449.3-2012 |
Metallic materials - Knoop hardness test - Part 3:Calibration of reference blocks 金属材料 努氏硬度试验 第3部分:标准硬度块的标定 |
China National Standards 3:Calibration |
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