申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
KIOKA, MAMORU, C/O MITSUI PETROCHEM. IND. LTD., KUGA-GUN, YAMAGUCHI 740, JP;NAKANO, MASAO, C/O MITSUI PETROCHEM. IND. LTD., KUGA-GUN, YAMAGUCHI 740, JP;UEDA, TAKASHI, C/O MITSUI PETROCHEM. IND.LTD., KUGA-GUN, YAMAGUCHI 740, JP |