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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
F16N19/00—Lubricant containers for use in lubricators or lubrication systems
F16N19/006—Maintaining oil level
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FR374553D1907-02-111907-02-11Dispositif de graissage par barbotage à niveau d'huile constant
ExpiredFR374553A
(fr)