TREA

Etat Francais represente per le Ministre des PTT (Centre National d'Etudes des Telecommunications)

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Organization

  • Issy les Moulineaux, FR
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Sound production device
    • Patent number 4,658,427
    • Issue date Apr 14, 1987
    • Etat Francais represente per le Ministre des PTT (Centre National d'Etudes de...
    • Sylvain Aubin
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS