Improvements in the manufacturing procedure of electrolysis cubes and appliance for its execution (Machine-translation by Google Translate, not legally binding)
ES286454A1
Improvements in carbon-based electrodes (Machine-translation by Google Translate, not legally binding)
ES286262A1
Ferrosilicio refined procedure (Machine-translation by Google Translate, not legally binding)
ES284857A1
Procedure for manufacturing metals and alloys (Machine-translation by Google Translate, not legally binding)
ES281047A1
Improvements in machines to remove the vertical bolts of the continuous anodes used in the cubas of electrolysis (Machine-translation by Google Translate, not legally binding)
ES278684A1
Procedure for obtaining torio oxides and rich mixed oxides in torio oxides (Machine-translation by Google Translate, not legally binding)
ES277326A1
Procedure and apparatus for the continuous or discontinuous extraction of rich suspensions in solid materials in the decanters (Machine-translation by Google Translate, not legally binding)
ES231643A1
Procedure and device for the manufacture of aluminum (Machine-translation by Google Translate, not legally binding)
ES225940A1
Procedure for the agglomeration of aluminum nitride (Machine-translation by Google Translate, not legally binding)