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 Herkules Maschinen VertriebsgefiledCriticalHerkules Maschinen Vertriebsge
Publication of CH49140ApublicationCriticalpatent/CH49140A/de