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 J S ChristensenfiledCriticalJ S Christensen
Priority to DK583177ApriorityCriticalpatent/DK140470B/da
Publication of DK583177ApublicationCriticalpatent/DK583177A/da
Publication of DK140470BpublicationCriticalpatent/DK140470B/da
Application grantedgrantedCritical
Publication of DK140470CpublicationCriticalpatent/DK140470C/da