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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-1month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-62month TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-6months TO NOW/DAY]
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classificationCode:(bk\:48.* OR ddc\:635*) databaseDate:[NOW/DAY-9month TO NOW/DAY]
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