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Priority claimed from IT8712465Aexternal-prioritypatent/IT1208279B/it
Priority claimed from IT8712587Aexternal-prioritypatent/IT1213939B/it
Application filed by ItalimpiantifiledCriticalItalimpianti
Priority claimed from EP19880105593external-prioritypatent/EP0286984B1/de
Application grantedgrantedCritical
Publication of ATE68528T1publicationCriticalpatent/ATE68528T1/de