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Application filed by Matti PirttiniemifiledCriticalMatti Pirttiniemi
Priority to FI851410ApriorityCriticalpatent/FI75909C/fi
Publication of FI851410A0publicationCriticalpatent/FI851410A0/fi
Publication of FI851410LpublicationCriticalpatent/FI851410L/fi
Publication of FI75909BpublicationCriticalpatent/FI75909B/fi
Application grantedgrantedCritical
Publication of FI75909CpublicationCriticalpatent/FI75909C/fi