ISO/IEC 1863:1990现行
Information processing - 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using NRZ1 at 32 ftpmm (800 ftpi) - 32 cpmm (800 cpi)
出版：International Organization for Standardization
专家解读视频
BS ISO/IEC 1863:1990 - Identical
ECMA 62:1985 - Similar
SIS 63 67 15:1977 - Identical
DIN 66014-2 (1977-12) - Identical
NBN EN 21864:1994 - Identical
UNI ISO 1863:1982 - Identical
SS ISO 1863 Ed. 1 (1992) - Identical
AS 1009-1983 - Identical
BIS IS 11409:2006 (R2016) - Identical
