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Application filed by Vilho Ilmari Moenkkoenen, Timo Juhani SyrjaefiledCriticalVilho Ilmari Moenkkoenen
Priority to FI853260ApriorityCriticalpatent/FI75902C/fi
Publication of FI853260A0publicationCriticalpatent/FI853260A0/fi
Publication of FI853260LpublicationCriticalpatent/FI853260L/fi
Application grantedgrantedCritical
Publication of FI75902BpublicationCriticalpatent/FI75902B/fi
Publication of FI75902CpublicationCriticalpatent/FI75902C/fi