DIN 66228-1
Small punched cards for information processing; dimensions, requirements, test
用于信息处理的小穿孔卡片；尺寸、要求、试验
1978-05-01
ISO 1681-1973
Information processing — Unpunched paper cards — Specification
信息处理——未穿孔纸卡——规范
1973-12-01
ISO 1681-1973
Information processing - Unpunched paper cards - Specification
信息处理.未穿孔的纸质卡片.规范
1973-12-06
DIN 66018-1
Unpunched paper cards for information processing; dimensions, requirements, test
用于信息处理的未穿孔纸卡；尺寸、要求、试验
1972-05-01
GOST 27464-1987
Системы обработки информации. Коды 7- и 8-битные, представляемые на перфокартах
信息处理系统 7位ano 8位代码表示穿孔卡
DIN 66004-2
Information processing; coding on data media; representation of 7-bit coded and 8-bit coded character sets on punched cards
信息处理；在数据媒体上编码；穿孔卡片上7位编码和8位编码字符集的表示
1982-09-01