
Specification for the dimensions of E-cores made of ferromagnetic oxides for use in telecommunication and allied electronic equipment..
NORM herausgegeben am 29.12.1967
Designation standards: BS 4257:1967
Note: UNGÜLTIG
Publication date standards: 29.12.1967
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technische Normen BS