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Wellman Seaver & Head Ltd Ste
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Wellman Seaver & Head Ltd Ste
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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
C21C1/06—Constructional features of mixers for pig-iron
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FR492744D1917-11-121918-11-05Perfectionnements apportés aux fours ou mélangeurs servant à la fabrication de l'acier et aux appareils analogues
ExpiredFR492744A
(fr)
Perfectionnements apportés aux procédés pour la production de gaz à l'eau, pauvre en oxyde de carbone ou exempt d'oxyde de carbone, et pour la séparation de l'oxyde de carbone du gaz à l'eau ou des mélanges gazeux de composition analogue
Perfectionnements aux fours et séchoirs propres à etre utilisés dans la fabrication des tuiles, des briques, de la poterie et autres articles analogues ainsi que pour recuire et pour d'autres usages