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Priority claimed from DE3912751Aexternal-prioritypatent/DE3912751C1/de
Publication of NO934128LpublicationCriticalpatent/NO934128L/en
Application filed by Abb Flaekt Sanitec GmbhfiledCriticalAbb Flaekt Sanitec Gmbh
Publication of NO934128D0publicationCriticalpatent/NO934128D0/en