BS December 7, 2019 BS 4727-1:GROUP 04:1986 Click here to purchase Product Details Published: 02/28/1986 ISBN(s): 0580149692 Number of Pages: 34 File Size: 1 file , 3 MB Product Code(s): 00153622, 00153622, 00153622 Note: This product is unavailable in United Kingdom You May Also Like BS BS DD IEC/TS 62143:2002 BS BS 185-6:1970