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 Aug Meiselbach Nachf Ges Mit BfiledCriticalAug Meiselbach Nachf Ges Mit B
Publication of CH50985ApublicationCriticalpatent/CH50985A/de