BS December 7, 2019 BS 4727-3:GROUP 01:1971 Click here to purchase Product Details Published: 08/20/1971 ISBN(s): 0580067440 Number of Pages: 44 File Size: 1 file , 4.3 MB Product Code(s): 00258787, 00258787, 00258787 Note: This product is unavailable in United Kingdom You May Also Like BS BS 5314-1:1976 BS BS DD IEC/TS 60695-11-40:2002