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Priority claimed from IT48426/84Aexternal-prioritypatent/IT1177811B/en
Priority claimed from IT48767/84Aexternal-prioritypatent/IT1179233B/en
Application filed by Titanweld NvfiledCriticalTitanweld Nv
Priority claimed from EP85903358Aexternal-prioritypatent/EP0218589B1/en
Application grantedgrantedCritical
Publication of ATE50398T1publicationCriticalpatent/ATE50398T1/en