DIN EN ISO 389-3-2016 声学.音响设备校正零点标准.第3部分:纯音和骨传导振动器的参考等效极限力水平(ISO 389-3-2016).德文版本EN ISO 389-3-2016
Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:2016); German version EN ISO 389-3:2016