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Priority claimed from DE19792908822external-prioritypatent/DE2908822A1/de
Priority claimed from DE19792949502external-prioritypatent/DE2949502A1/de
Application filed by Drehtainer Consulting GmbhfiledCriticalDrehtainer Consulting Gmbh
Publication of IT8020447A0publicationCriticalpatent/IT8020447A0/it
Application grantedgrantedCritical
Publication of IT1130937BpublicationCriticalpatent/IT1130937B/it