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Priority claimed from JP62110783Aexternal-prioritypatent/JPS63276523A/en
Application filed by Komatsu Mfg Co LtdfiledCriticalKomatsu Mfg Co Ltd
Priority claimed from EP19880903948external-prioritypatent/EP0403647B1/en
Application grantedgrantedCritical
Publication of ATE104205T1publicationCriticalpatent/ATE104205T1/en