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Priority claimed from GB888817349Aexternal-prioritypatent/GB8817349D0/en
Priority claimed from GB898910510Aexternal-prioritypatent/GB8910510D0/en
Application filed by Imperial CollegefiledCriticalImperial College
Priority claimed from PCT/GB1989/000836external-prioritypatent/WO1990000959A1/en
Application grantedgrantedCritical
Publication of ATE96366T1publicationCriticalpatent/ATE96366T1/de