Percent U201 C Kniffing Stopper, Grey, Air Drying For [ Percent U201 C Kniffing Stopper, Grey, Air Drying For Railway Coaches Confirming To Is 5083/1988 (Second Revision) With Amendment No. Percent U20181 Percent U2019 Of Aug Percent U201994, Percent U20182 Percent U2019 Of June Percent U201997 & Percent U20183 Percent U2019 Of April Percent U2019 06 And With Additional Requirements Of Icf/Md/Spec. 045 Issue Status: 02, Rev. No. 03 Dt.14/06/2007 And Rdso S Amendment No. 1 A (Rev. 1.0, Effectiv