申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
ISHIMARU, NAOSHI, C/O MITSUI PETROCHEM. IND. LTD., KUGA-GUN, YAMAGUCHI-KEN, JP;KIOKA, MAMORU, C/O MITSUI PETROCHEM. IND. LTD., KUGA-GUN, YAMAGUCHI-KEN, JP;TOYOTA, AKINORI, C/O MITSUI PETROCHEM. IND.LTD., KUGA-GUN, YAMAGUCHI-KEN, JP |