
Specification for punched cards. Representation of 7-bit codes and of certain numerical sets on 12-row punched cards.
NORMA vydaná dňa 26.11.1971
Designation standards: BS 4636-3:1971
Note: NEPLATNÁ
Publication date standards: 26.11.1971
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS