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Priority claimed from JP56195452Aexternal-prioritypatent/JPS5896527A/ja
Priority claimed from JP4113882Aexternal-prioritypatent/JPH0633084B2/ja
Application filed by Mitsui Petrochemical Ind, Yazaki Plastics IndfiledCriticalMitsui Petrochemical Ind
Priority claimed from EP82111129Aexternal-prioritypatent/EP0081197B1/de
Application grantedgrantedCritical
Publication of ATE18156T1publicationCriticalpatent/ATE18156T1/de