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Application filed by Tapio Jormakka, Martti KoivistofiledCriticalTapio Jormakka
Priority to FI930034UpriorityCriticalpatent/FI787U1/fi
Publication of FIU930034U0publicationCriticalpatent/FIU930034U0/fi
Application grantedgrantedCritical
Publication of FI787U1publicationCriticalpatent/FI787U1/fi