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Priority claimed from GB08417117Aexternal-prioritypatent/GB2157674B/en
Application filed by Electroglass LtdfiledCriticalElectroglass Ltd
Priority claimed from EP85304782Aexternal-prioritypatent/EP0167402B1/en
Application grantedgrantedCritical
Publication of ATE36511T1publicationCriticalpatent/ATE36511T1/en