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 Into Kerttula, Per Arno JaatinenfiledCriticalInto Kerttula
Priority to FI141371ApriorityCriticalpatent/FI49563C/sv
Publication of FI49563BpublicationCriticalpatent/FI49563B/fi
Application grantedgrantedCritical
Publication of FI49563CpublicationCriticalpatent/FI49563C/sv