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Priority claimed from JP61154873Aexternal-prioritypatent/JPH0646461B2/en
Priority claimed from JP61154872Aexternal-prioritypatent/JP2640099B2/en
Application filed by Kyodo Printing Co LtdfiledCriticalKyodo Printing Co Ltd
Priority claimed from EP87305857Aexternal-prioritypatent/EP0251794B1/en
Application grantedgrantedCritical
Publication of ATE91188T1publicationCriticalpatent/ATE91188T1/en