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Priority claimed from IT2151674Aexternal-prioritypatent/IT1009868B/it
Priority claimed from IT1916675Aexternal-prioritypatent/IT1049342B/it
Priority claimed from DK152775Aexternal-prioritypatent/DK146027C/da
Application filed by Snam ProgettifiledCriticalSnam Progetti
Publication of DK166576ApublicationCriticalpatent/DK166576A/da
Publication of DK146018BpublicationCriticalpatent/DK146018B/da
Application grantedgrantedCritical
Publication of DK146018CpublicationCriticalpatent/DK146018C/da