BS December 7, 2019 BS 4727-3:GROUP 04:1976 Click here to purchase Product Details Published: 11/30/1976 ISBN(s): 0580091570 Number of Pages: 36 File Size: 1 file , 690 KB Product Code(s): 00317215, 00317215, 00317215 Note: This product is unavailable in United Kingdom You May Also Like BS BS 3784:1973 BS BS 6168:1987