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Gennevilliers, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the production of high purity metals or alloys
Patent number
4,504,310
Issue date
Mar 12, 1985
Delachaux; C.
Laurent L. Boulier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rail gap adjusting device
Patent number
4,348,959
Issue date
Sep 14, 1982
Delachaux; C.
Patrick Bommart
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Apparatus for removing the surplus welding material
Patent number
4,275,499
Issue date
Jun 30, 1981
Delachaux; C.
Patrick Bommart
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mould for the metallothermic welding of metal items
Patent number
4,190,228
Issue date
Feb 26, 1980
Delachaux; C.
Patrick Bommart
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR