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Application filed by Pertti Juvonen, Helena Juvonen, Ilkka JemivaarafiledCriticalPertti Juvonen
Priority to FI851132ApriorityCriticalpatent/FI83054C/fi
Publication of FI851132A0publicationCriticalpatent/FI851132A0/fi
Publication of FI851132LpublicationCriticalpatent/FI851132L/fi
Publication of FI83054BpublicationCriticalpatent/FI83054B/fi
Application grantedgrantedCritical
Publication of FI83054CpublicationCriticalpatent/FI83054C/fi