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Application filed by Kari Johannes KirjavainenfiledCriticalKari Johannes Kirjavainen
Priority to FI850666ApriorityCriticalpatent/FI76225C/fi
Publication of FI850666A0publicationCriticalpatent/FI850666A0/fi
Publication of FI850666LpublicationCriticalpatent/FI850666L/fi
Publication of FI76225BpublicationCriticalpatent/FI76225B/fi
Application grantedgrantedCritical
Publication of FI76225CpublicationCriticalpatent/FI76225C/fi