I.S. EN ISO 3740:2019现行
Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards (ISO 3740:2019)
出版：National Standards Authority of Ireland
专家解读视频
This document gives guidance for the use of a set of twelve basic International Standards (see Tables 1, 2 and 3) describing various methods for determining sound power levels from all types of machinery, equipment and products.
EN ISO 3740 : 2000 - Identical
EN ISO 3740:2019 - Identical
ISO 3740:2019 - Identical
ISO 3740:2019 - Identical
EN ISO 3740:2019 - Identical
EN ISO 3740 : 2000 - Identical
