UNE 74031:1987

DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. PRECISION METHODS FOR BROAD-BAND SOURCES IN REVERBERATION ROOMS

NORMA vydána dne 15.4.1987

The information about the standard:

Designation standards: UNE 74031:1987
Note: NEPLATNÁ
Publication date standards: 15.4.1987
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE