指定纸张材料的特性和测试方法。给出了未穿孔磁带的基本尺寸，以及推荐的交换芯。交叉引用:BS 308*BS 410*BS 1796*BS 2924*BS 2987*BS 3430*BS 3431*BS 3432*BS 3631*BS 3880:第2部分*BS 3880:第3部分*BS 3880:第4部分*BS 3983*BS 4415*BS 4468*

Specifies the properties of the paper material and test methods. Fundamental dimensions of unpunched tape are given together with a recommended core for interchange.Cross References:BS 308*BS 410*BS 1796*BS 2924*BS 2987*BS 3430*BS 3431*BS 3432*BS 3631*BS 3880:Part 2*BS 3880:Part 3*BS 3880:Part 4*BS 3983*BS 4415*BS 4468*