Tenders for Supply of Direct Air Operated Pantograph Type Wbl 23.03 For High Speed Ac/Dc Sieme Ns/Retro Rakes With Modified Panto Pan Of Size 1800 Mm. Length And Rocker Box Asse Mbly With Metalized Carbon Strip To Approved Grade By Rdso And Rdso Specificatio N No. Rdso/2009/El/Spec/0092. Rev. 0 Of Feb 2009 & Rdso Approved Drawing No.1-3910.6445 As Per Revised Ga Drawing No. 1-3910.6445, Rev. F Of M/S. Schunk Make. Warranty Period: 30 Months After The Date Of Delivery