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Priority claimed from JP62335184Aexternal-prioritypatent/JPH0819252B2/en
Application filed by Kohjin CofiledCriticalKohjin Co
Priority claimed from EP88106873Aexternal-prioritypatent/EP0293603B1/en
Application grantedgrantedCritical
Publication of ATE87539T1publicationCriticalpatent/ATE87539T1/en