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Priority claimed from GB858529151Aexternal-prioritypatent/GB8529151D0/en
Priority claimed from GB858529149Aexternal-prioritypatent/GB8529149D0/en
Priority claimed from GB858529153Aexternal-prioritypatent/GB8529153D0/en
Priority claimed from GB858529152Aexternal-prioritypatent/GB8529152D0/en
Priority claimed from GB858529150Aexternal-prioritypatent/GB8529150D0/en
Application filed by Cbl Ceramics LtdfiledCriticalCbl Ceramics Ltd
Priority claimed from EP86906887Aexternal-prioritypatent/EP0248048B1/en
Application grantedgrantedCritical
Publication of ATE56693T1publicationCriticalpatent/ATE56693T1/en