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Application filed by James Knowles, Schmitt Jack NfiledCriticalJames Knowles
Priority to FI803744ApriorityCriticalpatent/FI803744A7/fi
Priority claimed from FI770029Aexternal-prioritypatent/FI59453C/fi
Publication of FI803744LpublicationCriticalpatent/FI803744L/fi
Publication of FI803744A7publicationCriticalpatent/FI803744A7/fi