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Priority claimed from JP61131096Aexternal-prioritypatent/JPS62289218A/ja
Priority claimed from JP1987021323Uexternal-prioritypatent/JPS63176534U/ja
Application filed by Sankyo Kogyo KkfiledCriticalSankyo Kogyo Kk
Priority claimed from EP87304958Aexternal-prioritypatent/EP0249400B1/de
Application grantedgrantedCritical
Publication of ATE62829T1publicationCriticalpatent/ATE62829T1/de