
Acoustics - Hearing Protectors - Part 2: Estimation Of Effective A-weighted Sound Pressure Levels When Hearing Protectors Are Worn
出版:Polish Committee for Standardization

专家解读视频
基本信息
标准编号: PN EN ISO 4869-2:2002
发布时间:2002/5/17 0:00:00
标准类别:Standard
出版单位:Polish Committee for Standardization
标准页数:21
标准简介
2002 AC 2007 [08/08/2007]2002 [17/05/2002]
等同采用的国际标准
ISO 4869-2:1994 - Identical