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 Helge Vilmar Buchwald, Jens FrandsenfiledCriticalHelge Vilmar Buchwald
Priority to DK395558ApriorityCriticalpatent/DK92185C/da
Application grantedgrantedCritical
Publication of DK92185CpublicationCriticalpatent/DK92185C/da