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 Veikko SalonenfiledCriticalVeikko Salonen
Priority to FI120371ApriorityCriticalpatent/FI49367C/fi
Publication of FI49367BpublicationCriticalpatent/FI49367B/fi
Application grantedgrantedCritical
Publication of FI49367CpublicationCriticalpatent/FI49367C/fi