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Priority claimed from FI843235Aexternal-prioritypatent/FI843235A/fi
Application filed by Otto VehvilaeinenfiledCriticalOtto Vehvilaeinen
Priority to FI850859ApriorityCriticalpatent/FI850859L/fi
Publication of FI850859A0publicationCriticalpatent/FI850859A0/fi
Publication of FI850859LpublicationCriticalpatent/FI850859L/fi