Calculators and adding machines.. Specification for keytop and printed or displayed symbols.
NORM herausgegeben am 30.6.1982
Designation standards: BS 5478-3:1982
Note: UNGÜLTIG
Publication date standards: 30.6.1982
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: British technical standard
Kategorie: Technische Normen BS