申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
MORIYA, SATORU, C/O MITSUI PETROCHEMICAL IND., LTD, KUGA-GUN, YAMAGUCHI 740, JP;ISHIMOTO, AKIO, C/O MITSUI PETROCHEMICAL IND., LTD, KUGA-GUN, YAMAGUCHI 740, JP;TAKAHASHI, MAMORU, C/O MITSUI PETROCHEM. IND.,LTD, KUGA-GUN, YAMAGUCHI 740, JP |