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Johanna Catharina Viljoen

Irene, ZA: #1 of 3 inventorsTop 35%
Overall (1997): #125,456 of 185,788Top 70%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5665932 Initiation of blasting Jean Pierre Jordan Le Roux 1997-09-09

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John J. Veselka, Jr.1