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Maurice Thoraval
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Argenteuil, FR
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last 30 patents
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Patent Grant
Device for ventilating rheostats and/or fluid radiators in a locomo...
Patent number
4,907,645
Issue date
Mar 13, 1990
Societe Anonyme dite: Alsthom
Jean-Claude Dumas
B61 - RAILWAYS
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Patent Grant
Device for ventilating rheostats and/or fluid radiators in a locomo...
Patent number
4,840,221
Issue date
Jun 20, 1989
Alsthom
Jean-Claude Dumas
B61 - RAILWAYS