信息处理交换用穿孔纸带孔的尺寸与位置
The dimension and position of theholes of perforated paper tape for information processing exchange
标准状态
发布于：1980-07-10
实施于：1980-12-01
已废止
基本信息
内容预览
The dimension and position of theholes of perforated paper tape for information processing exchange