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Priority claimed from FI982276Aexternal-prioritypatent/FI982276A0/en
Application filed by Jukka Jorma Okanen, Juhani Yrjoe KorhonenfiledCriticalJukka Jorma Okanen
Priority to FI991037ApriorityCriticalpatent/FI991037A0/en
Publication of FI991037A0publicationCriticalpatent/FI991037A0/en