申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
TAKEUCHI, MASATO, MITSUI PETROCHEMICAL IND. LTD., SODEGAURA-SHI, CHIBA 299-02, JP;HIROTA, YOSHIHIKO, MITSUI PETROCHEMICAL IND. LTD., SODEGAURA-SHI, CHIBA 299-02, JP;OMORI, HIROSHI, MITSUI PETROCHEMICAL IND.,LTD., SODEGAURA-SHI, CHIBA 299-02, JP;YOSHIMURA, MASARU, MITSUI PETROCHEMICAL IND. LTD., SODEGAURA-SHI, CHIBA 299-02, JP |