supply of kit for overhauling vent valve kbi / nyab pt. no. i88806 / 024 consisting 3 items ( annexure attach in document ) [ warranty period: 30 months after the date of delivery ] , kit for overhauling magnet valve kbi / nyab pt. no. 774257 consisting of 18 items. ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit overhauling magnet valve kbi / nyab part no. 194900 / 1024 consisting of 20 items. ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit over hauling mr filter kbi / nyab pt. no. 775012 consisting of 3 items. ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit overhauling ke valve kbi / nyab pt. no. .1.1.186 / 2 consisting of 50 items . ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit over hauling bcev kbi / nyab pt. no. 775009 consisting of 46 items ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit overhauling for piston valve kbi / nyab pt.no.188098 / 391 consisting of 15 items. ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit overhauling emergency valve kbi / nyab pt. no. 171095 consisting of 16 items of ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , kit overhauling j1 relay valve kbi / nyab pt. no. 735690 consisting of 14 items ( annexure attach ) [ warranty period: 30 months after the date of delivery ] , over hauling kit for analog converter to kbi / nyab pt. no.774009, consisting of 12 items ( annexure attach ) [ warranty period: 30 months after the date of delivery ]