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Priority claimed from GB848406377Aexternal-prioritypatent/GB8406377D0/en
Priority claimed from GB848424008Aexternal-prioritypatent/GB8424008D0/en
Application filed by Chelsea Artisans LtdfiledCriticalChelsea Artisans Ltd
Priority claimed from EP19850901048external-prioritypatent/EP0185664B1/de
Application grantedgrantedCritical
Publication of ATE39231T1publicationCriticalpatent/ATE39231T1/de