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Priority claimed from US06/512,469external-prioritypatent/US4564540A/en
Priority claimed from GB838319264Aexternal-prioritypatent/GB8319264D0/en
Application filed by Omniglass LtdfiledCriticalOmniglass Ltd
Priority claimed from EP19830307485external-prioritypatent/EP0113209B1/de
Application grantedgrantedCritical
Publication of ATE29759T1publicationCriticalpatent/ATE29759T1/de