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Application filed by Manfred Herman Otto LangefiledCriticalManfred Herman Otto Lange
Priority to FI773608ApriorityCriticalpatent/FI56094C/fi
Publication of FI773608ApublicationCriticalpatent/FI773608A/fi
Publication of FI56094BpublicationCriticalpatent/FI56094B/fi
Application grantedgrantedCritical
Publication of FI56094CpublicationCriticalpatent/FI56094C/fi