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A process for producing a rare earth alloy comprising : heating a raw material alloy in an inert atmosphere to be a molten alloy, and then quench-solidifying the molten alloy, wherein the raw material alloy is compounded so as to have a composition represented by the formula : REx(Fe1-yMy)4Sb12 (wherein RE is at least either one member of La and Ce, M is at least one member selected from the group consisting of Ti, Zr, Sn and Pb, 0
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