标准号:BS 4636-3-1986
中文标准名称:穿孔卡片规范.第3部分:12行穿孔卡片上7位和8位代码字符集表示法规范
英文标准名称:Punched cards - Specification for representation of 7-bit and 8-bit coded character sets on 12-row punched cards
标准类型:L64
发布日期:1986/7/31 12:00:00
实施日期:1986/7/31 12:00:00
中国标准分类号:L64
国际标准分类号:35.040
适用范围:Card hole patterns assigned to the bit combinations of 7-bit and 8-bit codes.