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 Wilhelm BodenfiledCriticalWilhelm Boden
Priority to FI1770ApriorityCriticalpatent/FI50599C/en
Publication of FI50599BpublicationCriticalpatent/FI50599B/fi
Application grantedgrantedCritical
Publication of FI50599CpublicationCriticalpatent/FI50599C/en