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 Maehdrescherwerk Weimar VebfiledCriticalMaehdrescherwerk Weimar Veb
Priority to BE589835ApriorityCriticalpatent/BE589835A/en
Publication of BE589835ApublicationCriticalpatent/BE589835A/en