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Priority claimed from DE19823242046external-prioritypatent/DE3242046A1/en
Priority claimed from DE19833335729external-prioritypatent/DE3335729A1/en
Application filed by Vorwerk Co InterholdingfiledCriticalVorwerk Co Interholding
Priority claimed from EP83110148Aexternal-prioritypatent/EP0108930B1/en
Application grantedgrantedCritical
Publication of ATE24230T1publicationCriticalpatent/ATE24230T1/en