SAO PAULO, 19 Nov (Reuters) – Raw steel output in Brazil fell 2.7 % to 2.988 million tonnes in October in an annual basis, Aco Brasil, the group that represents mills, said on Wednesday. Sales in the local market fell 6.5 % to 1.814 million tonnes in the October from the same period a year earlier,the institute, known as Aço Brasil, said in a report.