DIN EN ISO 3743-1:2011-01

Действует

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010); German version EN ISO 3743-1:2010 — 48 стр.