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Publication of FR555565ApublicationCriticalpatent/FR555565A/en
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
FR555565D1922-08-311922-08-31
Improvements to tire valves for cycles and motorcycles
ExpiredFR555565A
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