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Application filed by B S F Dei F Lli Renzo E MariofiledCriticalB S F Dei F Lli Renzo E Mario
Priority to IT83612/80ApriorityCriticalpatent/IT1154810B/en
Publication of IT8083612A0publicationCriticalpatent/IT8083612A0/en
Priority to EP81101048Aprioritypatent/EP0035664A1/en
Priority to ES499949Aprioritypatent/ES499949A0/en
Application grantedgrantedCritical
Publication of IT1154810BpublicationCriticalpatent/IT1154810B/en