cdigital.dgb.uanl.mxcdigital.dgb.uanl.mx/la/1020000043/1020000043_017.pdf · MANUEL LOPEZ ECALA. En...

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Transcript of cdigital.dgb.uanl.mxcdigital.dgb.uanl.mx/la/1020000043/1020000043_017.pdf · MANUEL LOPEZ ECALA. En...