tender for refilling of medical gases tender for refilling of medical gases , refilling of medical oxygen gas cylinder type d 47 litre wc at 140 bar rates to be quoted per cylinder , refilling of medical oxygen gas cylinder type b 10 litre wc at 140 bar rates to be quoted per cylinder , refilling of medical oxygen gas cylinder type a5 litre wc at 140 bar rates to be quoted per cylinder , refilling of medical nitrous oxide cylinder type d 47litre wc , refilling of medical nitrous oxide gas cylinder type a 5 litre wc. , refilling of medical carbondioxide gas cylinder type a , refilling of medical carbondioxide gas cylinder type b , providing of empty medical gas cylinder type d on rental basis ( rent per day / per cylinder )