| 申请人 |
MITSUI PETROCHEMICAL INDUSTRIES, LTD., TOKIO/TOKYO, JP |
发明人 |
HITOSHI, SAITO, C/O MITSUI PETROCHEM. IND., LTD., SODEGAURA-SHI, CHIBA, JP;HIROSHI, WATANABE, C/O MITSUI PETROCHEM. IND., LTD, SODEGAURA-SHI, CHIBA, JP;KAZUYOSHI, KITAZAWA, C/O MITSUI PETROCHEM. IND.LTD, SODEGAURA-SHI, CHIBA, JP |
