UNE 74155:1993

ACOUSTICS. REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE. (ISO 8798:1987).

NORMA vydána dne 19.5.1993

The information about the standard:

Designation standards: UNE 74155:1993
Note: NEPLATNÁ
Publication date standards: 19.5.1993
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE