KDP Societe anonyme Keller Dorian Papiers

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Lyons, FR

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric resonator with improved suspension
- Patent number 4,221,986
- Issue date Sep 9, 1980
- Laboratoires de Physicochimie Appliquees ISSEC
- Raymond J. Besson
- H03 - BASIC ELECTRONIC CIRCUITRY