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C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
C23D3/00—Chemical treatment of the metal surfaces prior to coating
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FR719463D1931-07-031931-07-03Procédé thermo-mécanique à saut de température pour l'émaillage d'objets, et produits obtenus à l'aide de ce procédé
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Procédé de constitution des bouteilles d'accumulateurs d'eau chaude et nouveaux produits industriels résultant de l'application de ce procédé