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Priority claimed from GBGB9822384.5Aexternal-prioritypatent/GB9822384D0/en
Application filed by John Gray NigelfiledCriticalJohn Gray Nigel
Publication of HK1038541A1publicationCriticalpatent/HK1038541A1/zh
Publication of HK1038541BpublicationCriticalpatent/HK1038541B/zh