The current position:

GUIDELINES FOR COMBINED INSPECTION OF TIME-OF-FLIGHT DIFFRACTION (TOFD) TECHNIQUE AND PHASED ARRAY ULTRASONIC TESTING (PAUT) FOR MARINE THICK PLATE WELD JOINTS 2017

release time:2017-07-01 08:07 | effective date:
GUIDELINES FOR COMBINED INSPECTION OF TIME-OF-FLIGHT DIFFRACTION (TOFD) TECHNIQUE AND PHASED ARRAY ULTRASONIC TESTING (PAUT) FOR MARINE THICK PLATE WELD JOINTS 2017.pdf
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