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 CH390776Aexternal-prioritypatent/CH620469A5/de
Priority claimed from AT354977Aexternal-prioritypatent/AT349758B/en
Application filed by Saurer Ag AdolphfiledCriticalSaurer Ag Adolph
Publication of ATA531577ApublicationCriticalpatent/ATA531577A/en
Application grantedgrantedCritical
Publication of AT352646BpublicationCriticalpatent/AT352646B/en