BS December 7, 2019 BS 4727-3:GROUP 03:1992 Click here to purchase Product Details Published: 09/15/1992 ISBN(s): 0580209946 Number of Pages: 80 File Size: 1 file , 740 KB Product Code(s): 00276820, 00276820, 00276820 Note: This product is unavailable in United Kingdom You May Also Like BS BS 5923-2:1980 BS BS PD IEC/TR 61788-20:2014