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Priority claimed from IT8823102Aexternal-prioritypatent/IT1227910B/en
Priority claimed from IT02235289Aexternal-prioritypatent/IT1237762B/en
Application filed by Snam ProgettifiledCriticalSnam Progetti
Priority claimed from EP89203255Aexternal-prioritypatent/EP0375071B1/en
Application grantedgrantedCritical
Publication of ATE98207T1publicationCriticalpatent/ATE98207T1/en