Improvements in appliances for grinding by rotation (Machine-translation by Google Translate, not legally binding)
ES253483A1
Procedure and apparatus for cutting hollow filter elements, of rolled strip, in a series of short sections of default length (Machine-translation by Google Translate, not legally binding)
ES253359A3
Improvements in different air pressure motor groups (Machine-translation by Google Translate, not legally binding)
ES253331A1
Improvements in automatic radiogonometric receivers (Machine-translation by Google Translate, not legally binding)
US2944443A
Two speed hub for velocipedes and the like
ES252083A3
Improvements in rotary switches (Machine-translation by Google Translate, not legally binding)
US2947124A
Process for tumble finishing
ES251362A1
Perfect system of supply and control of fuel for gas engines (Machine-translation by Google Translate, not legally binding)
ES250008A3
Improvements in the construction of brakes (Machine-translation by Google Translate, not legally binding)
ES249999A1
Improvements in the construction of switches (Machine-translation by Google Translate, not legally binding)
ES249836A1
Improvements in transducers vibration detectors (Machine-translation by Google Translate, not legally binding)
ES249557A1
Improvements of electronic discharge pipes (Machine-translation by Google Translate, not legally binding)
ES249888A1
Perfected control system for an engine equipped with a variable surface exhaust nozzle and a controlled fluid origin (Machine-translation by Google Translate, not legally binding)
ES248324A1
Improvements in fuel supply systems for gas turbomotors (Machine-translation by Google Translate, not legally binding)
US2938644A
Assembly of spherical containers
GB846250A
Combination retracting mechanism and wear indicator particularly for disc brakes
US2941108A
Gas discharge device
GB845082A
Reversible engine starter gearing
US2937296A
Spark discharge device
GB847451A
"method and means for ultrasonic cleaning"