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Langbein Pfanhauser Werke AG
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Langbein Pfanhauser Werke AG
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Publication of FR607828ApublicationCriticalpatent/FR607828A/fr
C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
C25D5/34—Pretreatment of metallic surfaces to be electroplated
C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
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FR607828D1925-01-081925-12-10Procédé de brunissage permettant d'obtenir un revêtement trés adhérent sur du fer ou de l'acier inoxydable
ExpiredFR607828A
(fr)
Procédé pour adoucir l'eau et la débarrasser du fer et du manganèse suivant le système dit d'échange des bases, et procédé de fabrication des agents nécessaires ` cet effet