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 Preben Dahl HansenfiledCriticalPreben Dahl Hansen
Priority to DK518081ApriorityCriticalpatent/DK147192C/da
Publication of DK518081ApublicationCriticalpatent/DK518081A/da
Publication of DK147192BpublicationCriticalpatent/DK147192B/da
Application grantedgrantedCritical
Publication of DK147192CpublicationCriticalpatent/DK147192C/da