Tender For supply of pneuphonic horn type b7-30 to wsf pamphlet no.ai 228,part no. ic 70010/3 clw drawing no. 0/2/65/109 , alt-3 or latest and confirming to rdso specification no.mp.0.99.00.04,of nov.1990 or latest. [ warranty period: 30 m onths after the date of delivery ]