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Application filed by Pentti Anselmi VaelkkilaefiledCriticalPentti Anselmi Vaelkkilae
Priority to FI920143UpriorityCriticalpatent/FI107U1/fi
Publication of FIU920143U0publicationCriticalpatent/FIU920143U0/fi
Application grantedgrantedCritical
Publication of FI107U1publicationCriticalpatent/FI107U1/fi