supply of electrical and electronic equipment instant cleaner for electrical locomotives brand ec cleaner of oks 262/2 or valex jm 501 or equivalent in 350 ml aerosol can as per technical detail enclosed annex. a.electrical and electronic equipment instant cleaner for electrical locomotives brand ec cleaner of oks 262/2 or valex jm 501 or equivalent in 350 ml aerosol can as per technical detail enclosed annex. a.,electrical and electronic equipment instant cleaner for electrical locom otives brand ec cleaner of oks 262/2 or valex jm 501 or equivalent in 350 ml aerosol can as per technical detail enclosed annex. a. [ warranty period: 24 months after the date of delivery ] ]