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Publication of BE709220ApublicationCriticalpatent/BE709220A/fr
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
F15C1/00—Circuit elements having no moving parts
F15C1/14—Stream-interaction devices; Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets ; Proportional amplifiers
F15C1/146—Stream-interaction devices; Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets ; Proportional amplifiers multiple arrangements thereof, forming counting circuits, sliding registers, integration circuits or the like