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Application filed by Matti PirttiniemifiledCriticalMatti Pirttiniemi
Priority to FI842717ApriorityCriticalpatent/FI73502C/fi
Publication of FI842717A0publicationCriticalpatent/FI842717A0/fi
Publication of FI842717LpublicationCriticalpatent/FI842717L/fi
Application grantedgrantedCritical
Publication of FI73502BpublicationCriticalpatent/FI73502B/fi
Publication of FI73502CpublicationCriticalpatent/FI73502C/fi