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Publication of FR544890ApublicationCriticalpatent/FR544890A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
F16P1/00—Safety devices independent of the control and operation of any machine
F16P1/04—Screens or hoods rotating with rotary shafts
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FR544890D1921-12-221921-12-22Dispositif protecteur pour les transmissions, pièces rotatives de machines, etc.
ExpiredFR544890A
(fr)