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 Poul Christian DuborgfiledCriticalPoul Christian Duborg
Priority to DK21993ApriorityCriticalpatent/DK21993D0/da
Publication of DK21993D0publicationCriticalpatent/DK21993D0/da