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Priority claimed from IT8585503Aexternal-prioritypatent/IT1214981B/it
Priority claimed from IT2296085Uexternal-prioritypatent/IT206338Z2/it
Application filed by Giovanni Todescato, Giovanni ConternofiledCriticalGiovanni Todescato
Priority claimed from EP85202142Aexternal-prioritypatent/EP0189617B1/de
Application grantedgrantedCritical
Publication of ATE67952T1publicationCriticalpatent/ATE67952T1/de