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 Orenstein & Koppel AgfiledCriticalOrenstein & Koppel Ag
Application grantedgrantedCritical
Publication of DK47575CpublicationCriticalpatent/DK47575C/en