描述了未穿孔纸穿孔胶带的尺寸以及制作该穿孔胶带的纸张的性能。该磁带用作穿孔磁带输入/输出介质，用于信息处理系统、通信系统和相关设备之间的信息交换。

Describes the dimensions of unpunches paper perforator tape and the properties of the paper from which it is made. This tape is intended to be used as a perforated tape input/output medium for information interchange among information processing systems, communication systems, and associated equipment.