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Procédé et dispositifs pour l'établissement de wolfram molybdène ou leurs alliages ductiles à froid en partant de corps métalliques grillés sous pression
Corps comprimé en métal à point de fusion élevé, dispositif pour la production d'un tel corps et procédé pour le tréfiler sous forme de fil très mince
Procédé et dispositif pour effectuer de façon simultanée le détassement, la subdivision et la compression de blocs de fonte et d'acier coulé bruts, à section en forme de croix