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Application filed by I L F Ind Lavorazione Ferro SfiledCriticalI L F Ind Lavorazione Ferro S
Priority to IT83414/88ApriorityCriticalpatent/IT1220895B/it
Publication of IT8883414A0publicationCriticalpatent/IT8883414A0/it
Application grantedgrantedCritical
Publication of IT1220895BpublicationCriticalpatent/IT1220895B/it