DIN 45641:1990-06

Averaging of sound levels.

NORMA vydaná dňa 1.6.1990

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The information about the standard:

Designation standards: DIN 45641:1990-06
Publication date standards: 1.6.1990
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: German technical standard
Kategória: Technické normy DIN

Annotation of standard text DIN 45641:1990-06 :

Mittelung von Schallpegeln.