INCITS 72-1981(R1993)

INCITS 72-1981(R1993) Parallel Recorded Magnetic Tape Cartridge for Information Interchange, 4-Track, 0.250 Inch (6.30 mm), 1600 bpi (63 bpmm), Phase Encoded (formerly ANSI X3.72-1981(R1993))

standard by InterNational Committee for Information Technology Standards (formerly NCITS), 01/01/1981