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Priority claimed from DE3819156Aexternal-prioritypatent/DE3819156A1/de
Application filed by Wirsbo Pex GmbhfiledCriticalWirsbo Pex Gmbh
Publication of NO900516LpublicationCriticalpatent/NO900516L/no
Publication of NO900516D0publicationCriticalpatent/NO900516D0/no