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Application filed by Inst For Ind Res & StandardsfiledCriticalInst For Ind Res & Standards
Priority to IT24728/79ApriorityCriticalpatent/IT1165273B/it
Publication of IT7924728A0publicationCriticalpatent/IT7924728A0/it
Application grantedgrantedCritical
Publication of IT1165273BpublicationCriticalpatent/IT1165273B/it