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*[http://www.otto-kopp.de/hallmarkse.html '''Otto-Kopp Hallmark information'''] | *[http://www.otto-kopp.de/hallmarkse.html '''Otto-Kopp Hallmark information'''] | ||
*[http://www.pipephil.eu/logos/en/logo-peterson.html '''Pipephil's Logo information'''] | *[http://www.pipephil.eu/logos/en/logo-peterson.html '''Pipephil's Logo information'''] | ||
*[http:// | *[http://www.youtube.com/watch?v=L6-VoWeSjuA&feature=player_embedded '''Video of the Peterson Pipe process'''] | ||
'''Contact Information''': | '''Contact Information''': |