Pr 751/2004 Cca:+6.Ca4Rcw4 Mixed Contract For The Concession Of Services For The Operation Of The Cafeteria And Kitchen Service, For The Maintenance Of Staff Who Work Additional Hours, On Call And Authorized By The Management Of The Riotinto Hospital In Huelva, As Well As For The Installation And Operation Of Vending Machines For Food (Solid And Liquid) And Drinks In Said Hospital And In The Health Centers Belonging To The Agsn Of Huelva.