Tenders for Supply of Elbow Male / Female 20 Bore For Piping Arrangement On Under Frame For Ac Coaches Confirming To Is Specification No. Is:1239 Pt.2 - 92, Tab-15, Aisi-304 And To Rcf Drawing No. Ae63132, Item-21, Alt-H/Nil Warranty Period: 30 Months After The Date Of Delivery