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Priority claimed from GB848427394Aexternal-prioritypatent/GB8427394D0/en
Priority claimed from GB858518048Aexternal-prioritypatent/GB8518048D0/en
Priority claimed from GB858518050Aexternal-prioritypatent/GB8518050D0/en
Application filed by Rollsponge Int LtdfiledCriticalRollsponge Int Ltd
Priority claimed from EP85905636Aexternal-prioritypatent/EP0233879B1/en
Application grantedgrantedCritical
Publication of ATE46119T1publicationCriticalpatent/ATE46119T1/en