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- 86196283 contributor B5294947.
- 86196283 created "[between 1977 and 1986]".
- 86196283 date "1977".
- 86196283 date "[between 1977 and 1986]".
- 86196283 dateCopyrighted "[between 1977 and 1986]".
- 86196283 extent "52 p. ;".
- 86196283 issued "1977".
- 86196283 issued "[between 1977 and 1986]".
- 86196283 language "spa".
- 86196283 publisher "[Ecuador] : Ministerio de Recursos Naturales y Energéticos,".
- 86196283 subject "MLCS 92/01909 (T)".
- 86196283 subject "Petroleum".
- 86196283 title "Petróleo : historia y tecnología.".
- 86196283 type "text".