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C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21C1/00—Refining of pig-iron; Cast iron
C21C1/02—Dephosphorising or desulfurising
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FR931693A1963-04-161963-04-16Perfectionnements apportés aux procédés pour la production de pièces coulées en acier à basse teneur en soufre
ExpiredFR1362022A
(fr)