Tender for Supply Of Back Stop For Upgraded Ht Cbc To Irs Drawing No W Bd 699 Alt 4 And To Specification Is 1030 1998 Ra 2022 Cast Steel Gr 230 450 Or Forged Steel To Is 1875 92 Ra 2021 Amd No 2 Of Nov 1994 Class 3a Grade 35c8 [ Warranty Period: 30 Months After The Date Of Delivery ] ] in Guntur - Andhra Pradesh

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