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 Rafflenbeul & Cie Ges Mit BescfiledCriticalRafflenbeul & Cie Ges Mit Besc
Publication of CH60768ApublicationCriticalpatent/CH60768A/de