Punched cards-Dimensions and location of rectangular holes in 12-row, 80-column punched cards
穿孔卡片 12排80列穿孔卡片中矩形孔的尺寸和位置
发布日期:
1970-11-23
12排80列穿孔卡片上矩形孔的尺寸和位置,以及卡片上行和列的名称;关于存储和使用卡片的指南。
Dimensions and locations of the rectangular holes in 12-row, 80-column punched cards and designation of rows and columns on the card; guidance on the storage and use of cards.