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YB/T 4290-2012 Active
YB/T 4290-2012 Method for Determining Maximum Grain Size Level (ALA Grain Size) on Microstructure Surface Detection Surface
General Product Information
| Document Type | Industry standards-Black metallurgy |
|---|---|
| Standard Status | Active |
| Standard Code | YB/T 4290-2012 |
| CCS | Metallographic examination methods |
| ICS | Other testing methods for metal materials |
| Implement Date | 2013-03-01 |
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