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Robert Bosch GmbH
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Robert Bosch GmbH
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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
C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
C23F1/00—Etching metallic material by chemical means
C23F1/02—Local etching
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FR1179988D1956-01-271956-12-11Procédé pour l'attaque par un agent corrosif, d'une feuille d'aluminium recouverte de laque
ExpiredFR1179988A
(fr)
Perfectionnements apportés aux procédés pour l'application de revêtements liés chimiquement à la surface de l'aluminium, et articles obtenus par ces procédés
Perfectionnements apportés aux solutions, compositions et procédés pour la production de revêtements par conversion chimique sur l'aluminium et ses alliages