Method for producing magnet materials, permanent magnets, rotating electric appliances and vehicle

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A magnet material is represented by a formula : RxDyBesBtM100-x-y-t (R is at least one element selected from a group consisting of rare-earth elements, D is at least one element selected from a group consisting of Nb, Ti, Zr, Ta, and Hf, and M is at least one element selected from a group consisting of Fe and Co, and when a total number of elements obtained by adding R, D, B, and M is set to 100, x is a number satisfying 4.0

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