DD ENV 583-6:2000

Заменен

Non-destructive testing. Ultrasonic examination, Time-of-flight diffraction technique as a method for detection and sizing of discontinuities — 18 стр.

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BS EN 583-6:2008

Заменен

Non-destructive testing. Ultrasonic examination. Time-of-flight diffraction technique as a method for detection and sizing of discontinuities — 26 стр.