申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
KIOKA, MAMORU MITSUI PETROCHEMICAL IND. LTD., KUGA-GUN YAMAGUCHI-KEN, JP;NAKANO, MASAO MITSUI PETROCHEMICAL IND. LTD, KUGA-GUN YAMAGUCHI-KEN, JP;TOYOTA, AKINORI MITSUI PETROCHEMICAL IND. LTD., KUGA-GUN YAMAGUCHI-KEN, JP |