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Application filed by Pentti Kalevi KauhanenfiledCriticalPentti Kalevi Kauhanen
Priority to FI970054UpriorityCriticalpatent/FI2992U1/fi
Publication of FIU970054U0publicationCriticalpatent/FIU970054U0/fi
Application grantedgrantedCritical
Publication of FI2992U1publicationCriticalpatent/FI2992U1/fi