
Aerospace Series - Test Method For Metallic Materials - Ultrasonic Inspection Of Bars, Plates, Forging Stock And Forgings - Part 3: Reference Blocks
出版:Osterreichisches Normungsinstitut

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Aerospace Series - Test Method For Metallic Materials - Ultrasonic Inspection Of Bars, Plates, Forging Stock And Forgings - Part 3: Reference Blocks
出版:Osterreichisches Normungsinstitut
专家解读视频