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 Viggo Lund NielsenfiledCriticalViggo Lund Nielsen
Priority to DK333347ApriorityCriticalpatent/DK71765C/da
Application grantedgrantedCritical
Publication of DK71765CpublicationCriticalpatent/DK71765C/da