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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
F16N37/00—Equipment for transferring lubricant from one container to another
F16N37/02—Equipment for transferring lubricant from one container to another for filling grease guns
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FR977993D1942-12-051942-12-05
Automatic filling and draining device for lubricator-dispensers and the like
ExpiredFR977993A
(en)