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CA-6 TARIFA CHAPA 2019 AAL - Aislamientos · CODO 90º Superficie=[(((A+R) X 1.57) X (A+B)) X 2] + 0.20 RR A D C B DERIVACION Superficie=[(C+R) X 1.57] X [ 2 X (C+B)]+ [(D+R) X 1.57]
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