DIN EN ISO 389-7:2017
声学.测听设备校准用的参考零点.第7部分:自由场和扩散场听力条件下的参考听觉阈(ISO 389-7-2005+Amd 1-2016);德文版本EN ISO 389-7-2005+A1-2016

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005 + Amd 1:2016); German version EN ISO 389-7:2005 + A1:2016



DIN EN ISO 389-7:2017相似标准


推荐





Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号