Has locking elements one (18) holding strips at least one (16), disposed in the holding strips at least, the locking element is engaged with the support yoke of the window wiper blade The format can be provided in order to be allowed to have the locking strips of two (28), spoiler for a window wiper blade, an improved positioning good reliability in the support yoke to allow that. For this purpose, the locking element (18) has a contact portion of the two (22), and are spaced from one another abutting portion along the longitudinal direction spoiler (14) , and the locking strip of both (28) is arranged between the (22) the contact portion thereof.
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