Ergonomics — Accessible design — Sound pressure levels of spoken announcements for products and public address systems
NORM herausgegeben am 4.8.2014
Designation standards: ISO 24504:2014
Publication date standards: 4.8.2014
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: International technical standard
Kategorie: Technische Normen ISO