Pipe Laying For Waste Water For Lhb Type Coaches Fitted With Bio Tank Of Pipe Dia 42 (Od) X 2 X 1100 Conforming To Din Specification No. Din2391C, X5Crni1810 And As Per Rcf Drawi Ng No. Mi006005, Item-1 [ Warranty Period: 30 Months After The Date Of Delivery ] ]