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 Janhunen Esko Eino OlavifiledCriticalJanhunen Esko Eino Olavi
Priority to FI67569ApriorityCriticalpatent/FI44768C/fi
Application grantedgrantedCritical
Publication of FI44768BpublicationCriticalpatent/FI44768B/fi
Publication of FI44768CpublicationCriticalpatent/FI44768C/fi