
Specification for 9 track magnetic tape for data interchange. Tape recorded at 63 rows per millimetre (1600 rows per inch), phase encoded.
NORMA vydána dne 29.7.1977
Designation standards: BS 4503-2:1977
Note: NEPLATNÁ
Publication date standards: 29.7.1977
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS