Meklēšana
solis 1 - meklē
2
solis 2 - izvēlies
3
solis 3 - iestatījumi
4
solis 4 - grozs
5
solis 5 - apmaksa
Attēlo no 1. līdz 2. no pavisam 2 ieraksta(-iem).
ISO 3744:2025
standarts
EN
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane
210.78 €
ISO 5114-1:2024
standarts
EN
Acoustics — Determination of uncertainties associated with sound emission measures — Part 1: Sound power levels determined from sound pressure measurements
68.85 €