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Priority claimed from US06/140,497external-prioritypatent/US4373228A/en
Application filed by James DysonfiledCriticalJames Dyson
Priority claimed from EP81301255Aexternal-prioritypatent/EP0037674B1/de
Application grantedgrantedCritical
Publication of ATE14665T1publicationCriticalpatent/ATE14665T1/de