
Electroacoustics - Audiometric Equipment - Part 1: Equipment For Pure-Tone And Speech Audiometry
出版:Danish Standards

专家解读视频
2017 [12/10/2017]2015 [26/02/2015]2002 [09/08/2002]
2002 Edition is still active and will be withdrawn on 05-11-2017. Supersedes DS EN 60645-4. (03/2015) 2015 edition is still active and will be withdrawn on 06.10.2020. (10/2017)
EN 60645-1 : 2017 - Identical
IEC 60645-1 : 4.0 - Identical
IEC 60645-1 : 4.0 - Identical
EN 60645-1:2017 - Identical