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Application filed by Viljo SaarelainenfiledCriticalViljo Saarelainen
Priority to FI960515UpriorityCriticalpatent/FI2773U1/fi
Publication of FIU960515U0publicationCriticalpatent/FIU960515U0/fi
Application grantedgrantedCritical
Publication of FI2773U1publicationCriticalpatent/FI2773U1/fi