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Blade position in front of the direction in which a plurality of flexible, posters, with one end of individually in a common rotatable traeger and partially fastened on the latter is wound up, whereas the free ends of the posters downwardly hang
Blade position in front of the direction in which a plurality of flexible, posters, with one end of individually in a common rotatable traeger and partially fastened on the latter is wound up, whereas the free ends of the posters downwardly hang
