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Priority claimed from CH972470Aexternal-prioritypatent/CH503314A/de
Application filed by Schulthess & Co Ag MaschffiledCriticalSchulthess & Co Ag Maschf
Publication of DK135191BpublicationCriticalpatent/DK135191B/da
Application grantedgrantedCritical
Publication of DK135191CpublicationCriticalpatent/DK135191C/da