
AEROSPACE SERIES - TEST METHOD FOR METALLIC MATERIALS - ULTRASONIC INSPECTION OF BARS, PLATES, FORGING STOCK AND FORGINGS - PART 4: ACCEPTANCE CRITERIA
出版:Comite Europeen de Normalisation

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AEROSPACE SERIES - TEST METHOD FOR METALLIC MATERIALS - ULTRASONIC INSPECTION OF BARS, PLATES, FORGING STOCK AND FORGINGS - PART 4: ACCEPTANCE CRITERIA
出版:Comite Europeen de Normalisation
专家解读视频