| 摘要 |
Since wiper blades of windscreen wipers of the current art only have a short service life and do not sufficiently meet the requirements of winter operation, to remedy these generally known defects the use of a novel and hitherto unknown cleaning system is proposed, in which the cleaning agent is pressed with overpressure into a cavity of the wiper blade from where it flows out via nozzle-shaped openings onto the window pane.
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