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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3488.1-2014 |
Hardmetals―Metallographic determination of microstructure―Part 1：Photomicrographs and description 硬质合金 显微组织的金相测定 第1部分：金相照片和描述 |
China National Standards Photomicrographs |
 English PDF |
| GB/T 14999.5-1994 |
Photomicrographs and photomacrographs for evaluating of heat-resisting superalloys 高温合金低倍、高倍组织标准评级图谱 |
China National Standards Photomicrographs |
English PDF |
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