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Publication of FR576142ApublicationCriticalpatent/FR576142A/en
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16N—LUBRICATING
F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus