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Priority claimed from FI752452Aexternal-prioritypatent/FI53138C/fi
Application filed by Otk KeskusosuusliikefiledCriticalOtk Keskusosuusliike
Priority to FI753672ApriorityCriticalpatent/FI53139C/fi
Publication of FI753672ApublicationCriticalpatent/FI753672A/fi
Application grantedgrantedCritical
Publication of FI53139BpublicationCriticalpatent/FI53139B/fi
Publication of FI53139CpublicationCriticalpatent/FI53139C/fi