Electrodeposition of chromium of selectively constituted crystalline character and grain texture on metal substrates, such as aluminum or steel base lithographic sheet to provide improved and directly chromium plated aluminum or steel base lithographic sheet capable of operatively functioning as a surface...http://www.google.es/patents/US4596760?utm_source=gb-gplus-sharePatente US4596760 - Electrodeposition of chromium on metal base lithographic sheet
Electrodeposition of chromium on metal base lithographic sheet