Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure (IEC 61248-7:1996); German version EN 61248-7:1997
电子和通信设备用变压器和电感器.第7部分:基于能力批准程序的高频电感器和中频变压器分规范(IEC 61248-7-1996);德文版EN 61248-7:1997