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Kohle und Eisenforschung GmbH
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Kohle und Eisenforschung GmbH
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Publication of FR888688ApublicationCriticalpatent/FR888688A/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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FR888688D1941-11-221942-12-01Métal résistant temporairement à des efforts supérieurs à la résistance à l'écoulement plastique
ExpiredFR888688A
(fr)