WO2015105472A1 PCT/UA2014/000049 UA2014000049W WO2015105472A1 WO 2015105472 A1 WO2015105472 A1 WO 2015105472A1 UA 2014000049 W UA2014000049 W UA 2014000049W WO 2015105472 A1 WO2015105472 A1 WO 2015105472A1 Authority WO WIPO (PCT) Prior art keywords product iron containing zinc magnetic Prior art date Application number …