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Application filed by Holdt J W VonfiledCriticalHoldt J W Von
Priority to IT47971/84ApriorityCriticalpatent/IT1177637B/it
Publication of IT8447971A0publicationCriticalpatent/IT8447971A0/it
Publication of IT8447971A1publicationCriticalpatent/IT8447971A1/it
Application grantedgrantedCritical
Publication of IT1177637BpublicationCriticalpatent/IT1177637B/it