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Application filed by Snam ProgettifiledCriticalSnam Progetti
Priority to IT23287/84ApriorityCriticalpatent/IT1175899B/it
Publication of IT8423287A0publicationCriticalpatent/IT8423287A0/it
Priority to US06/746,331prioritypatent/US4657571A/en
Priority to NO852584Aprioritypatent/NO852584L/no
Application grantedgrantedCritical
Publication of IT1175899BpublicationCriticalpatent/IT1175899B/it