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  Category:Rivers of Alaska – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Rivers_of_Alaska?uselang=de

  Keine Beschreibung vorhanden.

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  Corrosion and Materials in the Oil and Gas Industries - Google Books

  https://books.google.de/books?id=90vSBQAAQBAJ&pg=PA453#v=onepage

  The advancement of methods and technologies in the oil and gas industries calls for new insight into the corrosion problems these industries face daily. With the application of more precise instruments and laboratory techniques as well as the development…

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