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tvin270584
Дефекты сварных швов - виды, методы контроля и устранения
Jul 25, 2021 12:38
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сварка
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технологии
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yelena1234
July 25 2021, 10:59:35 UTC
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tvin270584
July 26 2021, 12:48:50 UTC
Спасибо, ваше мнение очень важно!
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