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Paris, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Device for automatically identifying catenary posts of a railway tr...
Patent number
4,700,564
Issue date
Oct 20, 1987
Societe Nationale des Chemins de fer Francais
Bernard Prasil
B61 - RAILWAYS
Information
Patent Grant
Ultrasonic detection method of the internal defects of a railroad t...
Patent number
4,700,574
Issue date
Oct 20, 1987
Matix Industries
Jean-Pierre Turbe
G01 - MEASURING TESTING
Information
Patent Grant
Process and device for the automatic recognition and detection of d...
Patent number
4,662,224
Issue date
May 5, 1987
Societe Nationale des Chemins de fer Francais
Jean-Pierre Turbe
G01 - MEASURING TESTING
Information
Patent Grant
Machines for welding rails or similar articles
Patent number
4,410,780
Issue date
Oct 18, 1983
Matix Industries
Marcel A. Mutti
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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last 30 trademarks