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 Nils Fredrik LundinfiledCriticalNils Fredrik Lundin
Priority to DK74955ApriorityCriticalpatent/DK83191C/en
Application grantedgrantedCritical
Publication of DK83191CpublicationCriticalpatent/DK83191C/en