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Publication date
Priority claimed from FI921514Aexternal-prioritypatent/FI921514A/fi
Application filed by Urpo HannonenfiledCriticalUrpo Hannonen
Priority to FI930201UpriorityCriticalpatent/FI1073U1/fi
Publication of FIU930201U0publicationCriticalpatent/FIU930201U0/fi
Application grantedgrantedCritical
Publication of FI1073U1publicationCriticalpatent/FI1073U1/fi