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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
F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
F16H55/02—Toothed members; Worms
F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
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FR452552D1912-11-111912-11-11Perfectionnements aux roues d'engrenage et leurs semblables, et à leur fabrication et construction
ExpiredFR452552A
(fr)