A static frequency converter (Machine-translation by Google Translate, not legally binding)
ES283115A1
A static frequency converter (Machine-translation by Google Translate, not legally binding)
ES283116A1
A circuit provision with controlled semi-conductor rectifier (Machine-translation by Google Translate, not legally binding)
ES238042A2
Procedure for the production of a mechanical displacement dependent on the amplitude of an oscillation (Machine-translation by Google Translate, not legally binding)
ES239553A1
Device for the production of a mechanical displacement dependent on the amplitude of an oscillation (Machine-translation by Google Translate, not legally binding)
ES237952A1
Procedure for the production of a mechanical displacement dependent of the amplitude of an oscillation (Machine-translation by Google Translate, not legally binding)
DE1131024B
Arrangement for generating a mechanical adjustment dependent on the amplitude of an oscillation
DE1126150B
Arrangement for generating a mechanical adjustment dependent on the amplitude of an oscillation
DE932563C
Contact selector with circular contacts for automatic regulation and control systems
DE861157C
Electric level controller, especially for regulating the liquid level in steam and hot water boilers