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NOCKENSTAHL GmbH
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NOCKENSTAHL GmbH
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Publication of FR1115414ApublicationCriticalpatent/FR1115414A/fr
C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
C21D7/00—Modifying the physical properties of iron or steel by deformation
C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
C21D7/105—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars of concrete reinforcing bars
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FR1115414D1954-02-111954-07-19Procédé pour la fabrication de barres d'armature à nervures pour béton armé et barres obtenues par ledit procédé
ExpiredFR1115414A
(fr)
Procédé de fabrication de coffrages métalliques pour plafonds nervurés en bétonarmé, éléments de coffrages métalliques et procédé de fabrication de plafonds en caissons à l'aide de coffrages métalliques