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10 dez 1921 ano - 1921 la primera concesión en la Amazonía ecuatoriana fue de 25.000 km2 y se otorgó en 1921 a Leonard Exploration Co.

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HISTORIA PETROLERA ECUADOR

ByPerez Sanchez

24 out 2018

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10 dez 1921 ano

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~ 103 years ago

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