Tender For supply of airbrakehosecoupling complete for feed pipe to rdso drg. no. wd-81027-s-01, alt. 14 and rdso spec. 02-abr-02 appendix-f with amendt. no. 01 of feb'07 & amendt.- no. 4 of sept. 2016) [ warranty period: 36 months after the date of delivery ]