[elecena] B65839-A-R87 Ferrite core set, material: N87 - zmiany ceny EPCOS Ferrite core - EP 7 core set B65839-A-R87 Ferrite core set, material: N87 - 0.43 EUR https://elecena.pl/product/15366459/b65839-a-r87-ferrite-core-set-material-n87 2018-12-17 B65839-A-R87 Ferrite core set, material: N87 - 0.44 EUR https://elecena.pl/product/15366459/b65839-a-r87-ferrite-core-set-material-n87 2021-04-30