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ASTM B 921 : 2008 : R2023 Standard Specification for Non-hexavalent Chromium Conversion Coatings on Aluminum and Aluminum Alloys
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| Committee | B 08 |
| DocumentType | Standard |
| Pages | 3 |
| PublisherName | American Society for Testing and Materials |
| Status | Current |
| Supersedes | ASTM B 921 : 2008 : R2018 |