ETSI ETR 345-ed.1

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

NORMA vydána dne 31.1.1997

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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
Kategorie: Technické normy ETSI