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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
F16N—LUBRICATING
F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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FR653048D1927-09-281927-09-28Appareil de vidange, à l'usage des bidons, estagnons, etc., pour huile de graissage et autres liquides
ExpiredFR653048A
(fr)