A disposition of rectifiers with governable semiconductor valves (Machine-translation by Google Translate, not legally binding)
ES283026A1
Improvements introduced in the manufacture of bodies of iron sheets stacked of construction as a frame, especially for electrical transformers (Machine-translation by Google Translate, not legally binding)
ES281975A1
A measurement installation in an engine vehicle (Machine-translation by Google Translate, not legally binding)
ES278043A1
A small size switch device with jump mechanism (Machine-translation by Google Translate, not legally binding)
ES259571A1
A device for finding defects or failures of insulation in the windings of electrical appliances (Machine-translation by Google Translate, not legally binding)
ES209095A1
Improvements improved in the obtaining of insulation of high voltage windows of electric machines (Machine-translation by Google Translate, not legally binding)
ES208076A1
A safety device for transformers filled with oil (Machine-translation by Google Translate, not legally binding)
ES204768A1
A switched switch for the regulation of the loaded voltage (Machine-translation by Google Translate, not legally binding)
ES204767A1
Improvements introduced in the manufacture of switching chambers for switches with little oil (Machine-translation by Google Translate, not legally binding)