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
Priority claimed from FI880572Aexternal-prioritypatent/FI880572A0/fi
Priority claimed from FI883562Aexternal-prioritypatent/FI883562A/fi
Application filed by Vainionpaeae Pentti WfiledCriticalVainionpaeae Pentti W
Priority to FI883820ApriorityCriticalpatent/FI883820A/fi
Publication of FI883820A0publicationCriticalpatent/FI883820A0/fi
Priority to FI885383Aprioritypatent/FI81166C/fi
Publication of FI883820ApublicationCriticalpatent/FI883820A/fi