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Priority claimed from GB858530921Aexternal-prioritypatent/GB8530921D0/en
Priority claimed from GB868615915Aexternal-prioritypatent/GB8615915D0/en
Application filed by Delapena Honing Equipment LimifiledCriticalDelapena Honing Equipment Limi
Priority claimed from EP87900208Aexternal-prioritypatent/EP0248071B1/de
Application grantedgrantedCritical
Publication of ATE64221T1publicationCriticalpatent/ATE64221T1/de