La Telephone Industrielle et Commerciale-Telic

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Strasbourg, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for checking connection paths in a telephone e...
- Patent number 4,185,174
- Issue date Jan 22, 1980
- La Telephone Industrielle et Commerciale-Telic
- Desire Beyhurst
- H04 - ELECTRIC COMMUNICATION TECHNIQUE