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F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
F16D45/00—Freewheels or freewheel clutches combined with automatic clutches
Train d'engrenages épicycloïdal à immobilisation positive de la couronne externe, boîte de vitesses et groupe moto-propulseur équipés d'un tel train.