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<http://www.providencejournal.com/apps/pbcsi.dll/bilde?Site=PJ&amp;Date=20130318&amp;Category=NEWS&amp;ArtNo=303189973&amp;Ref=AR>
<http://www.providencejournal.com/business/press-releases/20130318-lockheed-martin-achieves-patent-for-perforene-tm-filtration-solution-moves-closer-to-affordable-water-desalination.ece>