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Priority claimed from JP62116627Aexternal-prioritypatent/JPS6465072A/ja
Priority claimed from JP11367687Uexternal-prioritypatent/JPH0527256Y2/ja
Priority claimed from JP62325007Aexternal-prioritypatent/JPH01167592A/ja
Application filed by Koransha KkfiledCriticalKoransha Kk
Priority claimed from EP88904261Aexternal-prioritypatent/EP0314807B1/de
Application grantedgrantedCritical
Publication of ATE85038T1publicationCriticalpatent/ATE85038T1/de