申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
MURATA, KAZUHIKO MITSUI PETROCHEMICAL IND.,LTD., CHIBA 299-01, JP;SHIMIZU, SHIZUO MITSUI PETROCHEMICAL IND., LTD, CHIBA 299-01, JP;KIOKA, MAMORU MITSUI PETROCHEMICAL IND., LTD., YAMAGUCHI 740, JP;TOYOTA, AKINORI MITSUI PETROCHEMICAL IND., LTD., YAMAGUCHI 740, JP |