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Filing date
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Application filed by Itra SrlfiledCriticalItra Srl
Priority to IT2077079ApriorityCriticalpatent/IT1113038B/it
Publication of IT7920770A0publicationCriticalpatent/IT7920770A0/it
Priority to EP19800101108prioritypatent/EP0015544B1/en
Priority to DE8080101108Tprioritypatent/DE3061527D1/de
Priority to AT80101108Tprioritypatent/ATE2172T1/de
Application grantedgrantedCritical
Publication of IT1113038BpublicationCriticalpatent/IT1113038B/it