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Priority claimed from IT8619323Aexternal-prioritypatent/IT1207290B/en
Priority claimed from IT21352/86Aexternal-prioritypatent/IT1197036B/en
Application filed by Stacos Di Saulle Lorenzo E PonfiledCriticalStacos Di Saulle Lorenzo E Pon
Priority claimed from EP87101305Aexternal-prioritypatent/EP0235583B1/en
Application grantedgrantedCritical
Publication of ATE52738T1publicationCriticalpatent/ATE52738T1/en