?NORM EN ISO 3740 : 2019 08 01现行
Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards (ISO 3740:2019)
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
This International Standard gives guidance for the use of a series of twelve basic International Standards describing various methods for determining sound power levels from all types of machinery and equipment.
ISO 3740:2019 - Identical
EN ISO 3740:2019 - Identical
EN ISO 3740:2019 - Identical
ISO 3740:2019 - Identical
