BS December 7, 2019 BS 4727-2:GROUP 18:1992 Click here to purchase Product Details Published: 07/15/1992 ISBN(s): 0580208567 Number of Pages: 72 File Size: 1 file , 690 KB Product Code(s): 00272652, 00272652, 00272652 Note: This product is unavailable in United Kingdom You May Also Like BS BS DD IEC/PAS 61338-1-5:2010 BS BS 5794:1979