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Publication of FR556831ApublicationCriticalpatent/FR556831A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K15/00—Check valves
F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
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FR556831D1922-10-021922-10-02Perfectionnements aux valves pour bandages pneumatiques
ExpiredFR556831A
(fr)