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Priority claimed from DE19732351736external-prioritypatent/DE2351736C3/en
Priority claimed from DE2430060Aexternal-prioritypatent/DE2430060A1/en
Priority claimed from DE2432728Aexternal-prioritypatent/DE2432728A1/en
Application filed by Hermann KlausfiledCriticalHermann Klaus
Publication of HU171127BpublicationCriticalpatent/HU171127B/en