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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-11month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-12month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-13month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-18month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-9month TO NOW/DAY]
Agricultural aviation : official publication of the National Agricultural Aviation Association
Der Schlepper im Rückblick : Schlepper und Landmaschinen im Rückblick