TREA

Etat Francais Societe Anonyme de Telecommunication

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  • Paris, FR
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  • Information Patent Grant

    Temperature gradient light waveguide
    • Patent number 4,185,889
    • Issue date Jan 29, 1980
    • Etat Francais Societe Anonyme de Telecommunication
    • Georges R. P. Marie
    • G02 - OPTICS

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