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Application filed by Pentti Juhani KarjalainenfiledCriticalPentti Juhani Karjalainen
Priority to FI940320UpriorityCriticalpatent/FI1651U1/fi
Publication of FIU940320U0publicationCriticalpatent/FIU940320U0/fi
Application grantedgrantedCritical
Publication of FI1651U1publicationCriticalpatent/FI1651U1/fi