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
Priority claimed from CH817574Aexternal-prioritypatent/CH601264A5/xx
Application filed by Roland Heckendorn, Rene Meier, Ciba Geigy AgfiledCriticalRoland Heckendorn
Priority to CS773354ApriorityCriticalpatent/CS189746B2/en
Publication of CS189746B2publicationCriticalpatent/CS189746B2/en