1 янв 1881 г. - Carbon arc welding is invented by Nikolay Benardos and Stanisław Olszewski
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Carbon arc welding was the first step in the use of welding in the world. Although it was displaced by other types of welding, such as tungsten arc welding, it is still present in certain productions.
“The History of Welding.” Miller Electric, www.millerwelds.com/resources/article-library/the-history-of-welding.
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