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Priority claimed from US461490Aexternal-prioritypatent/US3267986A/en
Priority claimed from FI146766Aexternal-prioritypatent/FI44025B/fi
Application filed by Karl Boerje OlssonfiledCriticalKarl Boerje Olsson
Publication of FI49460BpublicationCriticalpatent/FI49460B/fi
Application grantedgrantedCritical
Publication of FI49460CpublicationCriticalpatent/FI49460C/fi