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 Agathon Hansen Thorvald Tage, Petersen Carl Christian FrederfiledCriticalAgathon Hansen Thorvald Tage
Publication of CH24487ApublicationCriticalpatent/CH24487A/fr