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Report a problem related to object: Wystawy i Targi: organ Polskiego Biura Centralnego dla Wystaw i Targów Europejskich 1931 Nr2 wydanie nadzwyczajne; Fortnightly Publication of the Polish Head - Quarters for European Fairs and Exhibitions; Bi Mensuel du Bureau Central Polonais des Foires et Expositions Européennes; Halbmonatsschrift der Polnischen Geschaeftsstelle fűr Europäische Messen und Asstellungen