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RIO DE JANEIRO, Sept 14 (Reuters) - Brazil's Petroleo Brasileiro SA named Luiz Nelson Guedes de Carvalho interim chairman of the board of directors, replacing Murilo Ferreira who is taking a leave of absence, the state-run oil company said in a statement on Monday.
Petrobras, as the company is commonly known, also said that Ferreira's alternate on the board is also taking a leave of absence that will end on Nov. 30, the same day as Ferreira's leave. (Reporting by Jeb Blount; Editing by Lisa Shumaker)