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 IT25232/77Aexternal-prioritypatent/IT1080687B/it
Application filed by Snam Progetti, Anic SpafiledCriticalSnam Progetti
Priority to AT330382ApriorityCriticalpatent/AT382627B/de
Publication of ATA330382ApublicationCriticalpatent/ATA330382A/de
Application grantedgrantedCritical
Publication of AT382627BpublicationCriticalpatent/AT382627B/de