EN ISO 389-7 E标准-分析测试百科网

DIN EN ISO 389-7 A1 E:2015-06 DIN EN ISO 389-7 A1 E:2015-06

DIN EN ISO 389-7 E:2019 文件草案声学听力测量设备校准的参考零第7部分：自由场和扩散场聆听条件下的听力参考阈值（ISO/FDIS 389-7:2019）德语和英语版本 FprEN ISO 389-7：...

Draft Document - Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO/FDIS 389-7:2019); German and English version FprEN ISO 389-7:...

DIN EN ISO 389-7 E:2019-12 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（草案）

Reference zero points for calibration of acoustic audiometric equipment Part 7: Reference hearing thresholds under free-field and diffuse-field hearing conditions (draft)

DIN EN ISO 389-7/A1 E:2015 文件草案声学听力测量设备校准的参考零第7部分：自由场和扩散场聆听条件下的参考听力阈值 (ISO 389-7:2005/DAM1:2015)

DIN ISO 389-7 E:2003-11 DIN ISO 389-7 E:2003-11

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 389-7:2020 声学听力测量设备校准的参考零第7部分：自由场和扩散场听音条件下的参考听力阈值（ISO 389-7:2019）德文版 EN ISO 389-7:2019

EN ISO 389-7:2005 声学.校正听力设备的基准零级.第7部分:在自由场所和非扩散场所听力条件下听力基准阈值 ISO 389-7-2005

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under freefield and diffuse-field listening conditions (Incorporates Amendment A1: 2016)

DIN EN ISO 389-7:1998 声学听力测量设备校准的参考零第7部分：自由场和扩散场听音条件下的参考听力阈值（ISO 389-7：1996）

Acoustics – Reference zero for the calibration of audiometric equipment – Part 7: Reference threshold of hearing under free-Þeld and diffuse-Þeld listening conditions (ISO 389-7 : 1996)

LST EN ISO 389-7:2006 声学测听设备校准的参考零第7部分：自由场和扩散场聆听条件下的听力参考阈值（ISO 389-7:2005）

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)

UNE-EN ISO 389-7:2006 声学测听设备校准的参考零第7部分：自由场和扩散场聆听条件下的听力参考阈值（ISO 389-7:2005）

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)

NS-EN ISO 389-7:2019 声学听力测量设备校准的参考零第7部分：自由场和扩散场听音条件下的参考听力阈值（ISO 389-7:2019）

Full Description ADOPTED_FROM:EN ISO 389-7:2019 This document specifies a reference threshold of hearing for the calibration

Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

DANSK DS/EN ISO 389-7:2019 声学听力测量设备校准的参考零第7部分：自由场和扩散场聆听条件下的听力参考阈值 (ISO 389-7:2019)

Acoustics – Reference zero for the calibration of audiometric equipment – Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

NS-EN ISO 389-7:1998 声学听力检查设备校准的参考零点第7部分：自由场和扩散场听音条件下的听力参考阈值（ISO 389-7:1996）

Full Description This part of ISO 389 specifies a reference threshold of hearing for the calibration of audiometric equipment

Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:1996)

AENOR UNE-EN ISO 389-7:2021 声学听力测量设备校准的参考零第7部分：自由场和扩散场聆听条件下的参考听力阈值 (ISO 389-7:2019)

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

EN ISO 389-7 E 标准查询与下载