Transformers and inductors for use in electronic and telecommunication equipment - Part 3: Sectional specification for power transformers on the basis of the capability approval procedure (IEC 61248-3:1996); German version EN 61248-3:1997
电子和通信设备用变压器和电感器.第3部分:基于能力批准程序的电力变压器分规范(IEC 61248-3-1996);德文版EN 61248-3:1997