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Individual
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Individual
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Priority to ES175111ApriorityCriticalpatent/ES175111A3/es
Publication of ES175111A3publicationCriticalpatent/ES175111A3/es
ES175111A1946-09-261946-09-26Un procedimiento para la protección y coloración del aluminio y de sus aleaciones por oxidación anódica
ExpiredES175111A3
(es)