Delivery Of 7 Packages Of Single-Chamber And Dual-Chamber Pacemakers With A Set Of Electrodes And Introducers, With The Simultaneous Loan Of Devices Necessary For Their Programming For The Period Of Use Of The Pacemakers For The Needs Of The Cardiology Department With The Invasive Cardiology Subunit Of The Provincial Hospital In Elbląg Within A Period Of 24 Months