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Application filed by Jouko KettunenfiledCriticalJouko Kettunen
Priority to FI980115UpriorityCriticalpatent/FI3534U1/fi
Publication of FIU980115U0publicationCriticalpatent/FIU980115U0/fi
Application grantedgrantedCritical
Publication of FI3534U1publicationCriticalpatent/FI3534U1/fi