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Priority claimed from JP60033285Aexternal-prioritypatent/JPS61203340A/en
Priority claimed from JP8660585Uexternal-prioritypatent/JPS6315153Y2/ja
Application filed by Sekisui PlasticsfiledCriticalSekisui Plastics
Priority claimed from EP86301281Aexternal-prioritypatent/EP0192495B1/en
Application grantedgrantedCritical
Publication of ATE49551T1publicationCriticalpatent/ATE49551T1/en