supply of railway carriage fan 400mm sweeprailway carriage fan 400mm sweep,railway carriage fan 400mm sweep, swivel type, 110v dc fan type-iii of icf annexu re 1, correction slip no.01 to is:6680-92 with rdso annexure-h dec-2005. firms offer: railway car riage fan 400mm sweep 110v dc bldc swivelling type ms stand as per spj drg no. a4-1044 (a) rev.0 (ap proved by icf, chennai) and ms gumble ring as per is : 6680-1992 and complete with guard & frp blade c onforming to rdso specification no. rdso/pe/spec/tl/0021-2005 rev.3 with amendment no. 1. the frp b lade shall be as per drg. no. rdso/pe/sk/tl/0108-2008 (alt.1). the guard shall be conforming to drg. no i cf/sk-7-6-158 col-ii alt.g (ms) [ warranty period: 30 months after the date of delivery ] ]