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Application filed by Heikki AlakortesfiledCriticalHeikki Alakortes
Priority to FI920134UpriorityCriticalpatent/FI81U1/fi
Publication of FIU920134U0publicationCriticalpatent/FIU920134U0/fi
Application grantedgrantedCritical
Publication of FI81U1publicationCriticalpatent/FI81U1/fi