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NA 131

DIN Standards Committee Aerospace

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DIN EN 4890 [Withdrawn] references following documents:

Document number Edition Title
EN 2951 2019-05 Aerospace series - Metallic materials - Micrographic determination of content of non-metallic inclusions More 
EN 4050-4 2012-09 Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 4: Acceptance criteria More