Object: Electronic Auction - Supply Of Medicinal Gases, With The Offer Of Fixed Cryogenic Tanks On A Lending Basis And Installment Supply Of Liquefied And Compressed Medicinal Gases, Including Supply And Storage Systems With Preventive And Corrective Maintenance, Rental Of Compressed Air Compressors For Emergency And Hospital Services, In Addition To The Supply Of Gaseous Medical Oxygen And Liquefied Medical Oxygen And Gaseous Medical Compressed Air; Leasing Of Concentrators