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E127 Practice for Fabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks
E428 Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing
E1001 Practice for Detection and Evaluation of Discontinuities by the Immersed Pulse-Echo Ultrasonic Method Using Longitudinal Waves
E1316 Terminology for Nondestructive Examinations