RE: Demanda química de oxígeno (DQO) y Demanda biológica de oxígeno (DBO).

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Demanda química de oxígeno (DQO) y Demanda biológica de oxígeno (DBO).

in stem-espanol •  7 years ago 

Me gusta mucho la pasión con que demuestras lo que sabes. buen post

stem-espanol
7 years ago by

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