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Vereinigte Stahlwerke AG
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Vereinigte Stahlwerke AG
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Publication of FR719427ApublicationCriticalpatent/FR719427A/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
C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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FR719427D1930-07-081931-07-02Procédé permettant d'augmenter les propriétés de résistance de l'acier
ExpiredFR719427A
(fr)