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Priority claimed from JP56181019Aexternal-prioritypatent/JPS5883006A/ja
Application filed by Mitsui Petrochemical IndfiledCriticalMitsui Petrochemical Ind
Publication of IT8224182A0publicationCriticalpatent/IT8224182A0/it
Publication of IT8224182A1publicationCriticalpatent/IT8224182A1/it
Application grantedgrantedCritical
Publication of IT1154558BpublicationCriticalpatent/IT1154558B/it