Human Factors (HF). Symbols to identify telecommunications facilities for the deaf and hard of hearing people
NORM herausgegeben am 1.4.2001
Designation standards: STN EN 301462-V1.1.1
Classification mark: 871462
Catalog number: 17197
Publication date standards: 1.4.2001
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN