Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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BAHRTON PER
Original Assignee
BAHRTON PER
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Publication date
Application filed by BAHRTON PERfiledCriticalBAHRTON PER
Publication of FR2209054A1publicationCriticalpatent/FR2209054A1/fr
Application grantedgrantedCritical
Publication of FR2209054B3publicationCriticalpatent/FR2209054B3/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
F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Programme devices
F15C1/04—Means for controlling fluid streams to fluid devices, e.g. by electric signals or other signals, no mixing taking place between the signal and the flow to be controlled