72313008
Nov 25, 1968
Mar 13, 1973
L'AIR LIQUIDE SOCIETE ANONYME POUR 1'ETUDE ET 1'EXPOLITATION DES PAROCEDES GEORHES CLAUDE
EQUIPMENT USED IN A PROCESS FOR GAS FLUSHING AND INSUFFLATING GAS INTO A MASS OF MOLTEN METAL FOR REFINING AND CASTING METALS-NAMELY, LADLES, AND MECHANICAL MIXING VESSELS
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