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Application filed by Martti Tiuri, Pauli LiimatainenfiledCriticalMartti Tiuri
Priority to FI742633ApriorityCriticalpatent/FI51741C/fi
Publication of FI263374A7publicationCriticalpatent/FI263374A7/fi
Application grantedgrantedCritical
Publication of FI51741BpublicationCriticalpatent/FI51741B/fi
Publication of FI51741CpublicationCriticalpatent/FI51741C/fi