DIN EN 61157 Berichtigung 1-2009 医疗诊断超声波设备声输出的报告用标准方法.技术勘误DIN EN 61157-2008-07
Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment (IEC 61157:2007); German version EN 61157:2007, Corrigendum to DIN EN 61157:2008-07