NEN ISO 7917:1992被替代
Acoustics - Measurement At The Operators Position Of Airborne Noise Emitted By Brush Saws
出版：Nederlands Normalisatie Instituut
专家解读视频
基本信息
标准编号： NEN ISO 7917:1992
发布时间：1992/1/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：4
标准简介
Defines a method for measuring the A-weighted and octave-band sound pressure levels, at the operator's position, of noise emitted by portable, hand-held brush saws for use primarily in forestry which are powered by internal combustion engines.
等同采用的国际标准
EN 27917:1991 - Identical
ISO 7917:1987 - Identical
EN 2719917 : 1991 - Identical
ISO 7917 : 1987 - Identical
