BS EN 21864:1991被替代
Information processing. Unrecorded 12,7 mm (0.5 in) wide magnetic tape for information interchange. 32 ftpmm (800 ftpi) NRZ1, 126ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1
出版：British Standards Institution
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基本信息
标准编号： BS EN 21864:1991
发布时间：1992/1/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Characteristics of 12,7 mm wide magnetic tape with reel, to enable mangnetic and mechanical interchangeability of such tape between information processing systems.
标准备注
© British Standards Institution 2013
替代本标准的新标准
