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Application filed by Fortschritt Veb KfiledCriticalFortschritt Veb K
Priority to IT4872578ApriorityCriticalpatent/IT1206673B/it
Publication of IT7848725A0publicationCriticalpatent/IT7848725A0/it
Application grantedgrantedCritical
Publication of IT1206673BpublicationCriticalpatent/IT1206673B/it