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Priority claimed from JP712582Aexternal-prioritypatent/JPS58125569A/ja
Priority claimed from JP978882Aexternal-prioritypatent/JPS58130862A/ja
Application filed by Idemitsu Petrochemical CofiledCriticalIdemitsu Petrochemical Co
Priority claimed from EP83100176Aexternal-prioritypatent/EP0086327B1/de
Application grantedgrantedCritical
Publication of ATE21878T1publicationCriticalpatent/ATE21878T1/de