标准摘要
[中文适用范围]： 适用于专业和家庭模拟录音和重放用的无孔磁带。列出并定义了确定磁记录机械特性所需的测量方法和设备 [外文原描述]： Applies to non-perforated magnetic tape used for professional and domestic analogue sound recording and reproduction. Lists and defines the methods of measurement and equipment necessary to determine the mechanical characteristics of magnetic recording tape. Will also enable users of magnetic tapes to compare technical product data of different manufacturers, produced in accordance with this standard.
英文名称Magnetic tape sound recording and reproducing systems. Part 4: Mechanical magnetic tape properties