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Priority to ES8801651ApriorityCriticalpatent/ES2006960A6/en
Publication of ES2006960A6publicationCriticalpatent/ES2006960A6/en
After conventional cleaning and electrolytic anodising, usually followed by pigmenting, the surface is partially destroyed by machining. It is then cleaned and re-anodised exclusively on the exposed zones. - The process may be repeated to obtain several anodised layers, or carried out on an anodised and lacquered surface by machining the zones where re-anodising is desired.
ES8801651A1988-05-261988-05-26Double anodising process for aluminium
ExpiredES2006960A6
(en)
PROCEDURE AND MACHINE FOR ENGRAVING THE MAJOR SURFACES OF CRYSTAL SLABS WITH GROOVES, MEDIUM-DEEP, EVEN BLIND, ACCORDING TO DESIGNS, MISITLINES, REPETITIVES AND THEIR COMBINATIONS, AND CRYSTAL SLABS OBTAINED WITH SUCH PROCESS AND MACHINE.