Projekta Nr.LVS EN 23742:1991
NosaukumsThis International Standard specifies the special requirements necessary for accurate determinations of the sound power when discrete frenquencies or narrow bands of noise are radiated by a source.
Reģistrācijas numurs (WIID)9720
Darbības sfēraThis International Standard specifies the special requirements necessary for accurate determinations of the sound power when discrete frenquencies or narrow bands of noise are radiated by a source.
StatussAtcelts
ICS grupa17.140.01