申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
ARAKI, SHINTARO, MITSUI PETROCHEMICAL IND., LTD., KUGA-GUN, YAMAGUCHI 740, JP;IWASAKI, HIROSHI, MITSUI PETROCHEMICAL IND.,LTD, KUGA-GUN, YAMAGUCHI 740, JP;OHNO, HIROYASU, MITSUI PETROCHEMICAL IND., LTD., KUGA-GUN, YAMAGUCHI 740, JP;HASHIMOTO, ISAO, MITSUI PETROCHEMICAL IND., LTD., KUGA-GUN, YAMAGUCHI 740, JP;MUKAIYAMA, TERUAKI, SUGINAMI-KU, TOKYO 167, JP |