supply of supply/refilling of medical n2o gases cylinder of capacity 17233l along with transportation charges on as and when required basis for a period of one yearsupply/refilling of medical n2o gases cylinder of capacity 17233l along with transportation charges on as and when required basis for a period of one year,supply/refilling of medical n2o gases cylinder of capacity 17233l along with transportation c harges on as and when required basis for a period of one year [ warranty period: 30 months after the dat e of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]