
Punched cards. Dimensions and location of rectangular holes in 12-row, 80-column punched cards.
NORMA vydaná dňa 23.11.1970
Designation standards: BS 4636-2:1970
Note: NEPLATNÁ
Publication date standards: 23.11.1970
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Kategória: Technické normy BS