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 Lauritz Dahl KnudsenfiledCriticalLauritz Dahl Knudsen
Priority to DK386451ApriorityCriticalpatent/DK77471C/da
Application grantedgrantedCritical
Publication of DK77471CpublicationCriticalpatent/DK77471C/da