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 Teunis AlbersfiledCriticalTeunis Albers
Application grantedgrantedCritical
Publication of DK71321CpublicationCriticalpatent/DK71321C/da