Ring core Base series
Ring core Case series
E core bobbin (EI series)
E core bobbin (EE series)
E core bobbin ( EF series)
EFD core bobbin series
EP core bobbin series
EPC core bobbin series
ER core bobbin series
P core bobbin (POT, PT, CUT series)
PQ core bobbin series
RM core bobbin series
U core bobbin (UI, UU series)
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