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Priority claimed from GB838333664Aexternal-prioritypatent/GB8333664D0/en
Priority claimed from GB848422049Aexternal-prioritypatent/GB8422049D0/en
Application filed by Crown Berger EuropfiledCriticalCrown Berger Europ
Priority claimed from EP84308525Aexternal-prioritypatent/EP0151876B1/de
Application grantedgrantedCritical
Publication of ATE42241T1publicationCriticalpatent/ATE42241T1/de