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 Fridolin WinklerfiledCriticalFridolin Winkler
Application grantedgrantedCritical
Publication of DK69576CpublicationCriticalpatent/DK69576C/en