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Priority claimed from JP7342481Aexternal-prioritypatent/JPS57189439A/en
Priority claimed from JP7342381Aexternal-prioritypatent/JPS57205950A/en
Application filed by Asahi Chemical IndfiledCriticalAsahi Chemical Ind
Priority claimed from EP82104374Aexternal-prioritypatent/EP0066745B1/en
Application grantedgrantedCritical
Publication of ATE37626T1publicationCriticalpatent/ATE37626T1/en