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Priority claimed from GB858503665Aexternal-prioritypatent/GB8503665D0/en
Priority claimed from GB858525456Aexternal-prioritypatent/GB8525456D0/en
Application filed by Gist Brocades Nv, Shell Int ResearchfiledCriticalGist Brocades Nv
Priority claimed from EP86200198Aexternal-prioritypatent/EP0193227B1/de
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Publication of ATE51865T1publicationCriticalpatent/ATE51865T1/de