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 Waggonfabrik Jos Rathgeber A GfiledCriticalWaggonfabrik Jos Rathgeber A G
Priority to BE591629ApriorityCriticalpatent/BE591629A/fr
Publication of BE591629ApublicationCriticalpatent/BE591629A/fr