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 Hansen, Gunnar Felix NielsenfiledCriticalLauritz Hansen
Priority to DK283647ApriorityCriticalpatent/DK70346C/en
Application grantedgrantedCritical
Publication of DK70346CpublicationCriticalpatent/DK70346C/en