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Application filed by Tauno PaetsifiledCriticalTauno Paetsi
Priority to FI3799/74ApriorityCriticalpatent/FI53881C/fi
Publication of FI379974A7publicationCriticalpatent/FI379974A7/fi
Publication of FI53881BpublicationCriticalpatent/FI53881B/fi
Application grantedgrantedCritical
Publication of FI53881CpublicationCriticalpatent/FI53881C/fi