Specification for principles governing the positioning of control keys on keyboards of office machines and data processing equipment.
NORMA vydána dne 30.9.1975
Designation standards: BS 5231:1975
Note: NEPLATNÁ
Publication date standards: 30.9.1975
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategorie: Technické normy BS