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20. SHAREHOLDERS' EQUITY (Details Narrative) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Shareholders Equity Details Narrative Abstract |  |
Issued capital | R$ 4,540,000 | R$ 4,540,000
Number of common shares outstanding | 1,387,524,047 | 1,387,524,047

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