Registration number (WIID)Project No.TitleStatus
9240ISO 3744:1994Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting planeAtcelts
52055ISO 3744:2010Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting planeStandarts spēkā
9241ISO 3745:1977Acoustics — Determination of sound power levels of noise sources — Precision methods for anechoic and semi-anechoic roomsAtcelts
21750ISO 3745:2003Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for anechoic and hemi-anechoic roomsAtcelts
45362ISO 3745:2012Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic roomsStandarts spēkā
63893ISO 3745:2012/Amd 1:2017Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms — Amendment 1Standarts spēkā
21154ISO 3746:1995Acoustics — Determination of sound power levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting planeAtcelts
26657ISO 3746:1995/Cor 1:1995Acoustics — Determination of sound power levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane — Technical Corrigendum 1Atcelts
52056ISO 3746:2010Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting planeStandarts spēkā
9243ISO 3747:1987Acoustics — Determination of sound power levels of noise sources — Survey method using a reference sound sourceAtcelts
Displaying 141-150 of 377 results.