BS December 7, 2019 BS 4727-1:GROUP 06:1973 Click here to purchase Product Details Published: 06/12/1973 ISBN(s): 0580075230 Number of Pages: 36 File Size: 1 file , 470 KB Product Code(s): 00063933, 00063933, 00063933 Note: This product is unavailable in United Kingdom You May Also Like BS BS 4951:1973 BS BS 292-1:1982