CPC Subgroup
H01F 3/08 made from powder (powder coatings on sheets H01F3/02; on strips or ribbons H01F3/04; on wires H01F3/06)
Full Title
Cores, Yokes, or armatures (magnetic materials H01F1/00; permanent magnets H01F7/02) > made from powder (powder coatings on sheets H01F3/02; on strips or ribbons H01F3/04; on wires H01F3/06)