2013SJ/T 3172.16-2013 Dimensions of ferrite cores Part 16: UF type cores
1988SJ/T 3173-1988 Dimenisions for UF-cores made of magnetic oxides
SJ/T 3172.16-2013 Dimensions of ferrite cores Part 16: UF type cores has been changed from SJ/T 3173-1988 Dimenisions for UF-cores made of magnetic oxides.