* Electronic Bidding * Hiring A Specialized Company For Ongoing Preventive Maintenance Services, Internal And External Cleaning, Internal And External Hygiene And Corrective Maintenance Of Installations, Systems, Equipment In Air Conditioning Devices With Supply Of Labor, Materials, Refrigerant Gas And Related Services In The Various Public Buildings In The Municipality Of Sales, For A Period Of 12 Twelve Months, In Accordance With The Conditions, Quantities And Requirements Established In The Notice And Its Annexes. (EXPIRED)

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