Human Factors (HF) - Symbols to identify telecommunications facilities for deaf and hard of hearing people
STANDARD published on 1.6.2000
Designation standards: ÖNORM EN 301462-V1.1.1
Publication date standards: 1.6.2000
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM