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Frederic Viraize
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Sceaux, FR
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last 30 patents
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Patent Grant
Electric arc furnace for the production of steel and method of oper...
Patent number
6,229,838
Issue date
May 8, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Sébastien Flichy
C21 - METALLURGY OF IRON
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Patent Grant
Process for melting a charge in an electrical arc furnace
Patent number
6,038,245
Issue date
Mar 14, 2000
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Franck Slootman
C21 - METALLURGY OF IRON
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Patent Grant
Process for melting a charge in a furnace
Patent number
5,822,357
Issue date
Oct 13, 1998
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Frank Slootman
C21 - METALLURGY OF IRON