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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38769-2020 |
Metallic materials－Measurement of fracture toughness at impact loading rates using precracked Charpy-type test pieces 金属材料 预裂纹夏比试样冲击加载断裂韧性的测定 |
China National Standards Metallic materials－Measurement fracture |
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