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Johan L. den Otter

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  • Leidschendam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for mixing and masticating highly viscous materials
    • Patent number 4,443,110
    • Issue date Apr 17, 1984
    • Nederlandse Centrale Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek
    • Johan L. den Otter
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL