申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
YAMAMOTO, AKIHIKO, C/O MITSUI PETROCHEM. IND.LTD., KUGA-GUN, YAMAGUCHI 740, JP;ZENITANI, YURIMASA, C/O MITSUI PETROCH. IND. LTD., KUGA-GUN, YAMAGUCHI 740, JP;YAMAGUCHI, MASAYOSHI, C/O MITSUI PETROCH. IND.LTD, KUGA-GUN, YAMAGUCHI 740, JP |