supply of carbon brush for hitachi type traction motor confirming to rdso specn .no. elrs/spec/cb/0027- rev.0. of sept. 2003 for carbon brushes for traction motor ofelectric locomotive and rdso spec. no. elrs/spec/cb/0037 rev-0 for carbon blocksgrades for traction application and as per clw drawing no. 3twd.095.017 alt-9.
