
Ferrite Cores - Guidelines On The Limits Of Surface Irregularities - Part 3: Etd-cores, Eer-cores, Ec-cores And E-cores (iec 60424-3:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專(zhuān)家解讀視頻
2016 [01/08/2016]2000 [01/06/2000]DRAFT 1998 [01/01/1998]
DIN EN 60424-3 issue 06-2000 remains valid alongside this standard until 26-11-2018. (08/2016)
EN 60424-3:2016 - Identical