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