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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
C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
C23G1/08—Iron or steel
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FR775606D1934-06-191934-06-19Perfectionnements apportés aux procédés de galvanisation des tôles de fer et d'acier
ExpiredFR775606A
(fr)
Procédé pour unir du fer ou des alliages ferreux avec des métaux ou alliages non ferreux, des alliages ou métaux non ferreux entre eux, ou des métaux ou alliages avec des matières non métalliques