Circuit arrangement to integrate voltages or currents
US3430192A
Method and apparatus for increasing the angular definition of the direction indication in sonar systems
US3428939A
Apparatus for digital analogous conversion,especially for the time deviation in distance measuring devices
GB1143328A
Towing bar, in particular for aircraft
ES345398A1
A device of the venturi type for the humidation of dusty gases. (Machine-translation by Google Translate, not legally binding)
ES345142A1
A procedure for the determination of the absolute scoring level in a converter. (Machine-translation by Google Translate, not legally binding)
ES344143A1
Electrical control system for blast furnace throat armour
US3552000A
Method of manufacturing dispersion-hardened workpieces
US3464476A
Anti-skid element
ES343701A1
Waste Gas Dust Filtration
GB1148614A
Filter plant
ES343046A1
A procedure for melting iron scrap into arc voltaic ovens. (Machine-translation by Google Translate, not legally binding)
US3390220A
Electrode holder for arc furnaces
GB1119627A
Vertical conveying installation
GB1111980A
Improvements in and relating to gear mechanisms
ES339237A1
Procedure and device to keep constant the luminosity of the image of the screen of cathode ray tubes. (Machine-translation by Google Translate, not legally binding)
US3438076A
Structural elements for dismountable bridges or the like
