Philippe P. Avignon

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Combs-la-Ville, FR

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic panel for sound insulating linings of gas ducts
- Patent number 4,858,721
- Issue date Aug 22, 1989
- Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
- Pascal J. M. Autie
- G10 - MUSICAL INSTRUMENTS ACOUSTICS