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Petar RATCHEV

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  • Voiron, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Highly rigid sheet for car body
    • Patent number 11,459,641
    • Issue date Oct 4, 2022
    • CONSTELLIUM NEUF-BRISACH
    • Petar Ratchev
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    ALUMINUM ALLOY PRECISION PLATES
    • Publication number 20220389557
    • Publication date Dec 8, 2022
    • CONSTELLIUM ISSOIRE
    • Sylvie ARSENE
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    HIGHLY RIGID SHEET FOR CAR BODY
    • Publication number 20180347016
    • Publication date Dec 6, 2018
    • CONSTELLIUM NEUF-BRISACH
    • Petar RATCHEV
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...