DIN ISO 4869-1:1991-10

Acoustics; hearing protectors; subjective method for the measurement of sound attenuation; identical with ISO 4869-1:1990.

NORMA vydaná dňa 1.10.1991

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The information about the standard:

Designation standards: DIN ISO 4869-1:1991-10
Note: NEPLATNÁ
Publication date standards: 1.10.1991
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: German technical standard
Kategória: Technické normy DIN

Annotation of standard text DIN ISO 4869-1:1991-10 :

Akustik; Gehörschützer; Subjektive Methode zur Messung der Schalldämmung.