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Pertti V. O. Koivistoinen

OO Outokumpu Oyj: 1 patents #162 of 428Top 40%
📍 Pelkosenniemi, FI: #1 of 1 inventorsTop 100%
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Patent #TitleCo-InventorsDate
5039400 Flotation machine Jouko Kallioinen, Seppo Rantanen 1991-08-13