bids are invited for refill of medical oxygen 1320 liter capacity , refill of medical oxygen 660 liter capacity , refill of medical oxygen jumbo capacity , refill of nitrous oxide 1851 liter capacit , refill of nitrous oxide 3744 liter capacity , refill of nitrous oxide jumbo capacity , refill of carbon dioxide cyclinde , hydraulic testing of cylinder , capping of cylinder , oxygen gas regulators flow meter , spanners of cylinde , new cylinder of medical oxygen 1320 liter capacit , new cylinder of medical oxygen 660 liter capacit , new cylinder of medical oxygen jumbo capacity , new cylinder of nitrous oxide 1851 liter capacit , new cylinder of nitrous oxide 3744 liter capacity , new cylinder of nitrous oxide jumbo capacit , per day rent of medical oxygen 1320 liter capacity with gas , per day rent of medical oxygen 660 liter capacity with gas , per day rent of of medical oxygen jumbo capacity with ga , medical oxygen gas cylinders - steel (normalized) (v2) total quantity : 1825