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Priority claimed from PCT/FI1989/000034external-prioritypatent/WO1990009873A1/en
Application filed by Raute OyfiledCriticalRaute Oy
Priority to FI900970ApriorityCriticalpatent/FI900970A0/fi
Publication of FI900970A0publicationCriticalpatent/FI900970A0/fi