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Device for rendering leaktight seals of the journals of the propeller blades, of the blades of the wheels and of the wheels of the movable hydraulic pumps, at the points where the tourilons come out of a hub which is filled with a lubricant under pressure, in which they peuventtourner
Device for rendering leaktight seals of the journals of the propeller blades, of the blades of the wheels and of the wheels of the movable hydraulic pumps, at the points where the tourilons come out of a hub which is filled with a lubricant under pressure, in which they peuventtourner