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 Paavo Viktor Ludvig SalminenfiledCriticalPaavo Viktor Ludvig Salminen
Priority to DK331058ApriorityCriticalpatent/DK93168C/da
Application grantedgrantedCritical
Publication of DK93168CpublicationCriticalpatent/DK93168C/da