tender for cut off angle cock with vent complete for air brake wagons to rdsos drg.no. wd-88123/s-01,alt.no.2 or latest and rdsos drg.no.wd-88123/s-02, alt.no. 6 or latest and rdsos specn. no. 02-abr-02,appendix - d, with amendments no. 3 of april 2010 or latest.
