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 Jorma Tapani FagerroosfiledCriticalJorma Tapani Fagerroos
Priority to FI832459ApriorityCriticalpatent/FI67423C/fi
Publication of FI832459A0publicationCriticalpatent/FI832459A0/fi
Publication of FI67423BpublicationCriticalpatent/FI67423B/fi
Application grantedgrantedCritical
Publication of FI67423CpublicationCriticalpatent/FI67423C/fi