Leopold - AWWA 2003
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Leopold - AWWA 2004
Bayer Material Science - Coatings
Leopold - elimi-NITE
Bayer Material Science - Stars
Leopold - WEFTEC 2003
Leopold - WEFTEC 2004
Leopold - AWWA 2007
Bayer Material Science - Vision
Leopold - WEFTEC 2007
Leopold - AWWA 2008