Procedure for the electrolytic formation of colored layers of oxide on aluminum or its alloys. (Machine-translation by Google Translate, not legally binding)
ES261315A1
Procedure for obtaining a new fungicide agent (Machine-translation by Google Translate, not legally binding)
ES254037A1
Improvements in methods of and compositions for coating surfaces
ES248500A1
Perfected procedure for the production of alumina (Machine-translation by Google Translate, not legally binding)