
Specification for teaching machines and programmes (interchangeability of programmes). Linear machines and programmes.
NORMA vydána dne 20.11.1967
Designation standards: BS 4226:1967
Note: NEPLATNÁ
Publication date standards: 20.11.1967
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS