Expressions Of Interest Aimed At The Award Through A Negotiated Procedure Of The Concession Of The Five-Year Catering Service With Installation And Management Of Automatic Vending Machines For Hot Drinks, Cold Drinks And Food (Snacks) In Favor Of The Comprehensive Institute 2 “Rita Levi Montalcini” Of Montichiari (Bs)” Cig: B99C1Dc0Bd