钢丝缝合和四分之一装订的质量、尺寸和规则要求。还规定了图纸和画册封面的质量和尺寸要求。附录中列出了推荐的颜色。交叉引用:BS 2644BS 3137BS 3431BS 3432BS 3983:第2BS 4432部分:第3部分

Requirements for qualities, sizes and rulings, both wire-stitched and quarter-bound. Also specifies requirements for the qualities and sizes of the paper and covers of drawing books. Recommended colours are listed in an appendix.Cross References:BS 2644BS 3137BS 3431BS 3432BS 3983:Part 2BS 4432:Part 3