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 Radioteknisk ForskningslaboratfiledCriticalRadioteknisk Forskningslaborat
Priority to DK140645ApriorityCriticalpatent/DK74567C/en
Application grantedgrantedCritical
Publication of DK74567CpublicationCriticalpatent/DK74567C/en