1、 IEC 60424-1 Edition 2.0 2015-12 INTERNA TIONAL STA NDA RD NORME INTERNA TIONALE Ferrite cores Guidelines on the limits of surface irregularities Part 1:General specification Noyaux ferrites Lignes directrices relativ es aux limites des irrgularits de surface Partie 1:Spcification gnrale IEC 60424-1
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