
Acoustic - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane
NORM herausgegeben am 1.3.2010
    
        Designation standards: ČSN EN ISO 3744
                Classification mark:  011604
                
                Catalog number:  85563
                
                
                Note:    UNGÜLTIG
               
                Publication date standards:  1.3.2010
        The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
        Country:          Czech technical standard
        Kategorie: Technische Normen ČSN