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Priority claimed from JP61007973Aexternal-prioritypatent/JPS62181353A/ja
Priority claimed from JP12906486Aexternal-prioritypatent/JPS62285943A/ja
Application filed by Sumitomo Bakelite CofiledCriticalSumitomo Bakelite Co
Priority claimed from EP87100530Aexternal-prioritypatent/EP0237713B1/de
Application grantedgrantedCritical
Publication of ATE88293T1publicationCriticalpatent/ATE88293T1/de