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Priority claimed from IT20563/76Aexternal-prioritypatent/IT1055932B/en
Application filed by Saipem SpafiledCriticalSaipem Spa
Priority to DK486680ApriorityCriticalpatent/DK144104C/en
Publication of DK486680ApublicationCriticalpatent/DK486680A/en
Publication of DK144104BpublicationCriticalpatent/DK144104B/en
Application grantedgrantedCritical
Publication of DK144104CpublicationCriticalpatent/DK144104C/en