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 Arne HenrikssonfiledCriticalArne Henriksson
Priority to FI81874ApriorityCriticalpatent/FI51120C/en
Publication of FI81874ApublicationCriticalpatent/FI81874A/en
Application grantedgrantedCritical
Publication of FI51120BpublicationCriticalpatent/FI51120B/fi
Publication of FI51120CpublicationCriticalpatent/FI51120C/en