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 Hugo Valentin MatzenfiledCriticalHugo Valentin Matzen
Priority to DK551ApriorityCriticalpatent/DK73898C/da
Application grantedgrantedCritical
Publication of DK73898CpublicationCriticalpatent/DK73898C/da