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Application filed by Oswald SchieferfiledCriticalOswald Schiefer
Priority to IT04831/88ApriorityCriticalpatent/IT1220439B/it
Publication of IT8804831A0publicationCriticalpatent/IT8804831A0/it
Application grantedgrantedCritical
Publication of IT1220439BpublicationCriticalpatent/IT1220439B/it