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Priority claimed from FI760957Aexternal-prioritypatent/FI52025C/fi
Application filed by Osmo Antero SuovaniemifiledCriticalOsmo Antero Suovaniemi
Priority to FI771459ApriorityCriticalpatent/FI55127C/fi
Publication of FI771459ApublicationCriticalpatent/FI771459A/fi
Application grantedgrantedCritical
Publication of FI55127BpublicationCriticalpatent/FI55127B/fi
Publication of FI55127CpublicationCriticalpatent/FI55127C/fi