METHODS FOR ULTRASONIC EXAMINATION OF WELDS. PT-1 MANUAL EXAMINATION OF CERCUMFERENTICAL BUTT WELDS IN PIPES

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METHODS FOR ULTRASONIC EXAMINATION OF WELDS. PT-1 MANUAL EXAMINATION OF CERCUMFERENTICAL BUTT WELDS IN PIPES BS:3923-1965 - LONDON B.S.I 1965 LONDON - 13p.

03/BSI