Tender for Manufacturing & Supply Of High Viscous Nylon-66 Insulating Liner (hvn Liner) To Rdso Drg. No. T-3702, With Alt-9 For The Use With Erc Mk-iii On 52 Kg Concrete Sleepers With 52 Kg Rails, As Per Specification Irs-t- 44 - 2025 (third Revision). [ Warranty Period: 30 Months After The Date Of Delivery ] in North 24 Paragana - West Bengal

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