Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 12: Ring-cores (Endorsed by Asociación Española de Normalización in August of 2019.)
Edition 2019-08-01

Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 13: PQ-cores (Endorsed by Asociación Española de Normalización in May of 2019.)
Edition 2019-05-01

Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 7: EER-cores (Endorsed by Asociación Española de Normalización in June of 2018.)
Edition 2018-06-01

Wire rods for core wire of covered electrode
Edition 2020-12-21

Measuring methods for ferrite cores for microwave device
Edition 1992-06-30

Core Material, Aluminum, for Sandwich Construction
Edition 2022-08-10

Core banking. Mobile financial services. General framework
Edition 2017-04-30

Information technology. Document Container File. Core
Edition 2015-10-31

Core, Polyurethane Foam (Polyether), Rigid, Cellular
Edition 2012-02-09

Iron Core Charging Inductors R(1982)
Edition 1957