| 摘要 |
An agitator includes a hub for attachment to an agitator shaft, and at leas t two agitator blades which are connected to the hub and extend in a radial direction for rotation about an axis, with the agitator blade angled in relation to th e axis. Each agitator blade has a free end, with a fin being provided in an area of the free end of the agitator blade and extending in a substantial parallel relationsh ip to a direction of the axis away from the agitator shaft.
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