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ASTM E127:2015-Standard Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks
ASTM E127:2015-Standard Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks
فرمت: PDF
ASTM E127:2015-Standard Practice for Fabrication and Control of Aluminum Alloy Ultrasonic Standard Reference Blocks
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AWS D1.2/D1.2M:2014-Structural Welding Code— Aluminum