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 Lonnroth BorjefiledCriticalLonnroth Borje
Priority to FI62472ApriorityCriticalpatent/FI46932C/sv
Publication of FI46932BpublicationCriticalpatent/FI46932B/fi
Application grantedgrantedCritical
Publication of FI46932CpublicationCriticalpatent/FI46932C/sv