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Priority claimed from DE3806543Aexternal-prioritypatent/DE3806543A1/en
Application filed by Herbert HuettlinfiledCriticalHerbert Huettlin
Publication of HU891550D0publicationCriticalpatent/HU891550D0/en
Publication of HUT52407ApublicationCriticalpatent/HUT52407A/en
Publication of HU202129BpublicationCriticalpatent/HU202129B/en