prov:value
| - It is to be noted that all of the aforementioned magnetic powders may have added thereto a minor amount of such elements as Al, Si, Cr, Mn, Co, Ni, Zn, Cu, Zr, Ti, Bi, Ag, Pt, B, C, P, N, Y, S, Sc, V, Mo, Rh, Pd, Ag, Sn, Sb, Te, Ba, Ta, W, Re, Au, Hg, Pb, La, Sr, and rare earth elements.
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