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F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
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AT187750D1950-09-191951-09-15Steuerung eines mit einem Druckmittel (Luft, Gas, Flüssigkeit) einseitig beaufschlagten Arbeitskolbens
AT187750B
(de)
Un procedimiento para la obtención de escorias granuladas secas y porosas, obteniéndose al mismo tiempo lana, de esorias mediante el soplado de la escoria fundida con aire a presión, o con vapor d elevada tensión