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Application filed by Osmo Antero SuovaniemifiledCriticalOsmo Antero Suovaniemi
Priority to FI3818/74ApriorityCriticalpatent/FI55007C/fi
Publication of FI381874A7publicationCriticalpatent/FI381874A7/fi
Publication of FI55007BpublicationCriticalpatent/FI55007B/fi
Application grantedgrantedCritical
Publication of FI55007CpublicationCriticalpatent/FI55007C/fi