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PARIS, FR
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last 30 patents
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Patent Grant
Method and mould for welding the ends of two rail portions
Patent number
10,011,956
Issue date
Jul 3, 2018
SNCF RESEAU
Arnaud Lorieux
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Method for evaluating the compactness of a layer of railway line ba...
Patent number
9,810,614
Issue date
Nov 7, 2017
SNCF RESEAU
Gilles Saussine
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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last 30 patents
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