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 Walther LagermannfiledCriticalWalther Lagermann
Priority to DK206882ApriorityCriticalpatent/DK147118C/da
Publication of DK206882ApublicationCriticalpatent/DK206882A/da
Publication of DK147118BpublicationCriticalpatent/DK147118B/da
Application grantedgrantedCritical
Publication of DK147118CpublicationCriticalpatent/DK147118C/da