Tenders for Supply of Aluminium Impeller For Oil Cooling Blower Unit. Centrifugal Design For 3-Phase Loco Motiv E As Per Rdso Spec. No. Rdso/2016/El/Spec/0123, Rev-0 Issued On 05/10/2016 And Drawing No- Rdso/2016/Sk-6/El/ Spec/0123. Warranty Period: 30 Months After The Date Of Delivery