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Application filed by Snam ProgettifiledCriticalSnam Progetti
Priority to IT21652/84ApriorityCriticalpatent/IT1176348B/it
Publication of IT8421652A0publicationCriticalpatent/IT8421652A0/it
Priority to US06/746,331prioritypatent/US4657571A/en
Priority to NO852584Aprioritypatent/NO852584L/no
Publication of IT8421652A1publicationCriticalpatent/IT8421652A1/it
Application grantedgrantedCritical
Publication of IT1176348BpublicationCriticalpatent/IT1176348B/it