NORMSERVIS s.r.o.

ASTM C423-99a

Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method (Includes all amendments And changes 8/16/2017).

NORM herausgegeben am 10.7.2001

Englisch -
Sicheres Online-PDF (84.20 EUR)

Englisch -
Gedruckt (84.20 EUR)

The information about the standard:

Designation standards: ASTM C423-99a
Note: UNGÜLTIG
Publication date standards: 10.7.2001
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM

Annotation of standard text ASTM C423-99a :

Keywords:
acoustical, acoustics, decay rate, noise, noise reduction coefficient, reverberation room, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)