ISO/DIS 3744

Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering method for an essentially free field over a reflecting plane

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

17.140.01

Statut:

Annulée

Date de Publication:

1969-12-30

Numéro Standard:

ISO/DIS 3744