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welder@rt
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4 года назад
95105 4 года назад 15:45Radiographic Film Interpretation RI, RTFI Training
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6 лет назад
15642 6 лет назад 14:21[English] Acceptance Criteria for Radiography Test (RT) of welder qualification test coupon
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407 3 месяца назад 4:06corner joint tutorial pull method fcaw #corner #tutorial #fcaw #pull #method