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Priority claimed from CH1387071Aexternal-prioritypatent/CH558189A/de
Application filed by Seranina Ag PatentverwertfiledCriticalSeranina Ag Patentverwert
Priority to AT708374ApriorityCriticalpatent/AT339781B/de
Publication of ATA708374ApublicationCriticalpatent/ATA708374A/de
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Publication of AT339781BpublicationCriticalpatent/AT339781B/de