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C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
C25F3/00—Electrolytic etching or polishing
C25F3/02—Etching
C25F3/06—Etching of iron or steel
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FR1132666D1955-10-041955-10-04Procédé et dispositif de traitement des cylindres de moteurs pour augmenter leur résistance à l'usure
ExpiredFR1132666A
(fr)
Procédé de traitement de surfaces ferreuses en vue d'augmenter leur résistance à la corrosion et d'améliorer leur adhérence pour des enduits organiques