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Riaan Lingerfelder Van Wyk

D( Detnet South Africa (Pty): 1 patents #22 of 36Top 65%
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Patent #TitleCo-InventorsDate
7946227 Detonator system Andre Louis Koekemoer, Albertus Abraham Labuschagne, Schagen Diederik Van Soelen 2011-05-24