申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
ISHII, HIROSHI, KUGA-GUN YAMAGUCHI-KEN 740, JP;HATA, KATSUYA MITSUI PETROCHEMICAL INDUSTRIES, LTD, CHIYODA-KU TOKYO 100, JP;KOBAYASHI, YOSHINORI MITSUI PETROCHEMICAL IND.LTD, KUGA-GUN YAMAGUCHI-KEN 740, JP |