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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3849.1-2015 |
Hardmetals—Rockwell hardness test(scale A)—Part 1: Test method 硬质合金 洛氏硬度试验（A标尺）第1部分：试验方法 |
China National Standards Hardmetals—Rockwell hardness test |
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