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Application filed by Yates IndustriesfiledCriticalYates Industries
Priority to FI2759/74ApriorityCriticalpatent/FI57135C/fi
Publication of FI275974A7publicationCriticalpatent/FI275974A7/fi
Publication of FI57135BpublicationCriticalpatent/FI57135B/fi
Application grantedgrantedCritical
Publication of FI57135CpublicationCriticalpatent/FI57135C/fi