Household and similar electrical appliances. Test code for the determination of airborne acoustical noise. Particular requirements for range hoods— 28 стр.
Acoustics -- Laboratory measurement procedures for ducted silencers and air-terminal units -- Insertion loss, flow noise and total pressure loss— 55 стр.
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise. Particular requirements for range hoods and other cooking fume extractors— 20 стр.
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise, Particular requirements for range hoods— 26 стр.
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise. Particular requirements for range hoods and other cooking fume extractors— 20 стр.
Household and similar electrical appliances. Test code for the determination of airborne acoustical noise, Particular requirements for range hoods— 26 стр.
