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 Valdemar NielsenfiledCriticalValdemar Nielsen
Priority to DK147943ApriorityCriticalpatent/DK63600C/en
Application grantedgrantedCritical
Publication of DK63600CpublicationCriticalpatent/DK63600C/en