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 Raili RuppafiledCriticalRaili Ruppa
Priority to FI892318ApriorityCriticalpatent/FI86750C/fi
Publication of FI892318A0publicationCriticalpatent/FI892318A0/fi
Publication of FI892318ApublicationCriticalpatent/FI892318A/fi
Publication of FI86750BpublicationCriticalpatent/FI86750B/fi
Application grantedgrantedCritical
Publication of FI86750CpublicationCriticalpatent/FI86750C/fi