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Application filed by Jorma Korkeakoski, Heikki PesonenfiledCriticalJorma Korkeakoski
Priority to FI950310UpriorityCriticalpatent/FI2132U1/fi
Publication of FIU950310U0publicationCriticalpatent/FIU950310U0/fi
Application grantedgrantedCritical
Publication of FI2132U1publicationCriticalpatent/FI2132U1/fi