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Priority claimed from FI791205Aexternal-prioritypatent/FI63268C/sv
Application filed by Sunds DefibratorfiledCriticalSunds Defibrator
Priority to FI822971ApriorityCriticalpatent/FI70441C/sv
Publication of FI822971A0publicationCriticalpatent/FI822971A0/fi
Publication of FI70441BpublicationCriticalpatent/FI70441B/fi
Application grantedgrantedCritical
Publication of FI70441CpublicationCriticalpatent/FI70441C/sv