| 申请人 |
MITSUBISHI PETROCHEMICAL CO., LTD., TOKIO/TOKYO, JP |
发明人 |
HIROSE, LTD., SACHIO MITSUBISHI PETROCHEMICAL CO., CHIYODA-KU TOKYO, JP;HANE, MOTOMU CENTRAL RESEARCH LABORATORIE;INAGAWA, NASANOBU CENTRAL RESEARCH LABORATOR, AMI-MACHI INASHIKI-GUN IBARAKI-KEN, JP |
