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Priority claimed from JP56024330Aexternal-prioritypatent/JPS57138977A/ja
Priority claimed from JP5560481Aexternal-prioritypatent/JPS57170793A/ja
Application filed by Jujo Paper Co LtdfiledCriticalJujo Paper Co Ltd
Priority claimed from EP82101229Aexternal-prioritypatent/EP0058944B1/de
Application grantedgrantedCritical
Publication of ATE14404T1publicationCriticalpatent/ATE14404T1/de