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Petrus L. M. van Boven

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  • Velden, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exposure device
    • Patent number 4,277,166
    • Issue date Jul 7, 1981
    • Oce-Nederland B.V.
    • Petrus L. M. van Boven
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY