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 Pikval Oy, KaarenojafiledCriticalPikval Oy
Priority to FI300570ApriorityCriticalpatent/FI46798C/fi
Publication of FI46798BpublicationCriticalpatent/FI46798B/fi
Application grantedgrantedCritical
Publication of FI46798CpublicationCriticalpatent/FI46798C/fi