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Аттестация процедуры сварки A182F91, A182F9

2017-01-11View Original

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Материалы P No для аттестации процедуры сварки A182F91 и A182F9 относятся к 15E и 5B соответственно. Их химический состав относительно близок. Как классифицировать их таким образом? Отличаются ли тестовые задания для квалификации сварщика PQR?
Reply #22017-01-13
P91 T91 F91 у них есть V

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