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 Esko Poltto OyfiledCriticalEsko Poltto Oy
Priority to FI862604ApriorityCriticalpatent/FI77615C/fi
Publication of FI862604A0publicationCriticalpatent/FI862604A0/fi
Publication of FI862604LpublicationCriticalpatent/FI862604L/fi
Application grantedgrantedCritical
Publication of FI77615BpublicationCriticalpatent/FI77615B/fi
Publication of FI77615CpublicationCriticalpatent/FI77615C/fi