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Priority claimed from GB848417485Aexternal-prioritypatent/GB8417485D0/en
Priority claimed from GB848426654Aexternal-prioritypatent/GB8426654D0/en
Application filed by Bekaert Sa NvfiledCriticalBekaert Sa Nv
Priority claimed from EP85200929Aexternal-prioritypatent/EP0169588B1/de
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Publication of ATE31332T1publicationCriticalpatent/ATE31332T1/de