BS 4142:1997

Заменен

Method for rating industrial noise affecting mixed residential and industrial areas — 20 стр.

Заменен на

BS 4142:2014+A1:2019

ICS

91.120.20 Acoustics in building. Sound insulation / Акустика в зданиях. Звукоизоляция

17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования