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Hugo Lievens

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  • Gent, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Feed-through element for a vacuum apparatus
    • Patent number 4,790,165
    • Issue date Dec 13, 1988
    • N.V. Bekaert S.A.
    • Hugo Lievens
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...