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Priority claimed from IT5327287Uexternal-prioritypatent/IT210678Z2/en
Priority claimed from IT8767938Aexternal-prioritypatent/IT1211459B/en
Priority claimed from IT8767939Aexternal-prioritypatent/IT1211460B/en
Priority claimed from IT67294/88Aexternal-prioritypatent/IT1219171B/en
Application filed by Sicam SpafiledCriticalSicam Spa
Priority claimed from EP88830173Aexternal-prioritypatent/EP0289468B1/en
Application grantedgrantedCritical
Publication of ATE59346T1publicationCriticalpatent/ATE59346T1/en