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Application filed by Matti Heikkinen, Kalevi MaekelaefiledCriticalMatti Heikkinen
Priority to FI20012443ApriorityCriticalpatent/FI115437B/sv
Publication of FI20012443A0publicationCriticalpatent/FI20012443A0/sv
Publication of FI20012443ApublicationCriticalpatent/FI20012443A/sv
Application grantedgrantedCritical
Publication of FI115437BpublicationCriticalpatent/FI115437B/sv