Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT21517/74Aexternal-prioritypatent/IT1009869B/it
Application filed by Snam ProgettifiledCriticalSnam Progetti
Publication of DK166476ApublicationCriticalpatent/DK166476A/da
Publication of DK145229BpublicationCriticalpatent/DK145229B/da
Application grantedgrantedCritical
Publication of DK145229CpublicationCriticalpatent/DK145229C/da