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Priority claimed from DE2010652Aexternal-prioritypatent/DE2010652C3/en
Priority claimed from DE19702049284external-prioritypatent/DE2049284A1/en
Priority claimed from FR7040126Aexternal-prioritypatent/FR2069151A5/fr
Application filed by Kronseder HermannfiledCriticalKronseder Hermann
Publication of BE762873ApublicationCriticalpatent/BE762873A/en