Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Antti TikkanenfiledCriticalAntti Tikkanen
Priority to FI884793ApriorityCriticalpatent/FI81250C/fi
Publication of FI884793A0publicationCriticalpatent/FI884793A0/fi
Publication of FI884793ApublicationCriticalpatent/FI884793A/fi
Publication of FI81250BpublicationCriticalpatent/FI81250B/fi
Application grantedgrantedCritical
Publication of FI81250CpublicationCriticalpatent/FI81250C/fi