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B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
B22D19/00—Casting in, on, or around objects which form part of the product
B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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FR647523D1927-01-291928-01-20Procédé perfectionné pour l'exécution d'arbres cémentés ou analogues
ExpiredFR647523A
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