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Priority claimed from GB929205178Aexternal-prioritypatent/GB9205178D0/en
Application filed by Otter Controls LimitedfiledCriticalOtter Controls Limited
Publication of HK1001341A1publicationCriticalpatent/HK1001341A1/zh
Publication of HK1001341BpublicationCriticalpatent/HK1001341B/zh