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Application filed by Vilho JantunenfiledCriticalVilho Jantunen
Priority to FI824080ApriorityCriticalpatent/FI69573C/fi
Publication of FI824080A0publicationCriticalpatent/FI824080A0/fi
Publication of FI824080LpublicationCriticalpatent/FI824080L/fi
Priority to FI852262Aprioritypatent/FI76502C/fi
Application grantedgrantedCritical
Publication of FI69573BpublicationCriticalpatent/FI69573B/fi
Publication of FI69573CpublicationCriticalpatent/FI69573C/fi