ETSI ETR 345-ed.1

Human Factors (HF); Characteristics of telephone keypads and keyboards; Requirements of elderly and disabled people

NORMA vydaná dňa 31.1.1997

The information about the standard:

Designation standards: ETSI ETR 345-ed.1
Publication date standards: 31.1.1997
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: European technical standard
Kategória: Technické normy ETSI