<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">%% Copyright 2016 Daniel Ballester Marques
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\documentclass{article}

\usepackage{pdfpagediff}

\begin{document}

\layerPages{NBR10520-2002.pdf}{NBR10520-2002_reference.pdf}

\end{document}

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