NORMSERVIS s.r.o.

ASTM E477-13e1

Standard Test Method for Laboratory Measurements of Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers (Includes all amendments And changes 10/15/2020).

NORMA vydána dne 1.6.2013

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PDF - okamžité stažení (1919.90 CZK)

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The information about the standard:

Designation standards: ASTM E477-13e1
Note: NEPLATNÁ
Publication date standards: 1.6.2013
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM

Annotation of standard text ASTM E477-13e1 :

Keywords:
airflow generated noise, airflow performance, duct liner materials, insertion loss, prefabricated elbow silencers, prefabricated straight silencers,, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)