DIN EN 60601-2-51-2004 医用电气设备.第2-51部分:单道和多道心电描记器记录和分析的安全性特殊要求(包括基本特性)
Medical electrical equipment - Part 2-51: Particular requirements for safety, including essential performance, of recording and analysing single channel and multichannel electrocardiographs (IEC 60601-2-51:2003); German version EN 60601-2-51:2003