Christian Richard

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Rennes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Device for following and estimating the local state of picture cont...
- Patent number 4,363,103
- Issue date Dec 7, 1982
- L'Etat Francais represente par le Secretaire d'Etat aux Postes et Telecommuni...
- Christian Richard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE