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Priority claimed from SE8106678Aexternal-prioritypatent/SE425752B/en
Application filed by Nya Vaermlands Limtrae AktiebolagfiledCriticalNya Vaermlands Limtrae Aktiebolag
Priority claimed from EP82900266Aexternal-prioritypatent/EP0074356B1/en
Application grantedgrantedCritical
Publication of ATE9240T1publicationCriticalpatent/ATE9240T1/en