Tenders for Supply of Brake Application Choke For C3w Type Distributor Valve Of Air Brake Wagons Having Twin Pipe Air Brake System.As Per The Rdso Specification No.-02-Abr-02 With Appendix-A, As Per The Ftrtipl Part/Drg. No.501445200 It. No. 221 Or Gipl Part/ Drg. No. 780360*It. No. 221, Suitable To Fitment Of C3w Type Distributor Valve Of Air Brake Wagons Having Twin Pipe Air Brake System.