申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO |
发明人 |
KAJIURA, HIROKAZU, C/O MITSUI PETROCHEM. IND. LTD., YAMAGUCHI 740, JP;ODA, HIDEKUNI, C/O CHIBA WORKS OF MITSUIPETROCH., CHIBA 299-01, JP;MINAMI, SYUJI, C/O MITSUI PETROCHEMICAL IND. LTD., YAMAGUCHI 740, JP |