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Koppers

Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States. Its headquarters is an art-deco 1920s skyscraper, the Koppers Tower. Provided by Wikipedia
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    Informativo sobre Preservación de Maderas

    Published 1984
    “…Koppers…”

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    Una Comparacion Entre Preservantes

    “…Koppers…”

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