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| View Original: | Robert converter.png (432x455) | |||
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| Keywords: Robert converter.png fr Convertisseur de Robert Ce convertisseur a été conçu au début du XXème siècle pour la production de petites quantités d'acier entre 1 et 3 tonnes en Robert converter This converter was designed at the begining of the XX century for the manufacture of small quantities of steel from 1 to 3 tons 1914 https //archive org/details/principlesofmeta00hioruoft Principles of metallurgy p 188 Arthur Horseman Hiorns 1849-1920 other versions PD-old-70-1923 Converters metallurgy | ||||
