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Priority claimed from GB838302514Aexternal-prioritypatent/GB8302514D0/en
Priority claimed from GB08333595Aexternal-prioritypatent/GB2142701B/en
Application filed by Ponable LtdfiledCriticalPonable Ltd
Application grantedgrantedCritical
Publication of ATE37061T1publicationCriticalpatent/ATE37061T1/en