| 申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD. |
发明人 |
YAMAOKA, HIDEO, MITSUI PETROCHEMICAL IND., LTD.;SHIMIZU, TOYOJI, MITSUI PETROCHEMICAL IND., LTD.;MATSUNAGA, FUJIHISA, MITSUI PETROCHEMICAL IND. LTD;NISHIYAMA, SHINICHI, MITSUI PETROCHEMICAL IND. LTD;YAMANAKA, TORU, MITSUI PETROCHEMICAL IND., LTD.;MIYAKOSHI, SHOICHI, PETROCHEMICAL IND., LTD. |
