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Joseph Plotkowiak

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  • Carrieres sur Seine, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor with pump recycling for isotopic separation through gase...
    • Patent number 4,431,377
    • Issue date Feb 14, 1984
    • Hispano-Suiza
    • Joseph Plotkowiak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic control closure system
    • Patent number 4,141,547
    • Issue date Feb 27, 1979
    • Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    • Claude E. D. Duquenne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...