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Priority claimed from JP29944485Aexternal-prioritypatent/JPS62158528A/en
Priority claimed from JP60297290Aexternal-prioritypatent/JPS62158529A/en
Priority claimed from JP61005560Aexternal-prioritypatent/JPS62166027A/en
Application filed by Nakata MfgfiledCriticalNakata Mfg
Priority claimed from EP86904360Aexternal-prioritypatent/EP0250594B2/en
Application grantedgrantedCritical
Publication of ATE70746T1publicationCriticalpatent/ATE70746T1/en