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MARIUS ANTONIN GROSJAT
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MARIUS ANTONIN GROSJAT
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Publication of FR475724ApublicationCriticalpatent/FR475724A/en
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
C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
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FR475724D1914-07-231914-07-23
Apparatus for obtaining hardened steel parts with variable resistance
ExpiredFR475724A
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