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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
F16H—GEARING
F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
F16H37/04—Combinations of toothed gearings only
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FR400843D1909-03-151909-03-15Changement de vitesse progressif à engrenages toujours en prise applicable à tous véhicules sur routes ou sur rails
ExpiredFR400843A
(fr)
Ballonnet-amortisseur à surface portante progressive et automatique, avec ou sans emploi du pendule compensateur, applicable à tout véhicule, aéroplane, etc.