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Priority claimed from FI662523Aexternal-prioritypatent/FI52403C/fi
Application filed by Stoner Eugen MorrisonfiledCriticalStoner Eugen Morrison
Publication of FI761106A7publicationCriticalpatent/FI761106A7/fi
Publication of FI53499BpublicationCriticalpatent/FI53499B/fi
Application grantedgrantedCritical
Publication of FI53499CpublicationCriticalpatent/FI53499C/fi