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Priority claimed from JP61191514Aexternal-prioritypatent/JPS6349233A/ja
Priority claimed from JP62086170Aexternal-prioritypatent/JPS63252531A/ja
Application filed by Toa Nekken KkfiledCriticalToa Nekken Kk
Priority claimed from EP87111769Aexternal-prioritypatent/EP0256529B1/de
Application grantedgrantedCritical
Publication of ATE86518T1publicationCriticalpatent/ATE86518T1/de